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Across all five domains

24–36 months

Child approaches the world with curiosity and develops knowledge about specific topics.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Asks simple questions involving what, where, and why; may not attend to the answer
  • Asks questions about where people are when they can’t be seen
  • Will approach things, or devise ways to reach items of curiosity, such as pulling over a chair to reach a table
Ways educators might support the child's development
  • Include nature in the learning environment:
    • Non-poisonous plants
    • Butterfly farms
    • Fish tanks
  • Model curiosity. Ask open-ended questions and then provide the answers (e.g., “Oh look, here is an acorn. I found it on the ground near the tree. Where did it come from? How did it get in the grass? Look I think it fell from the tree. I think squirrels like acorns. Maybe we should leave it by the tree and maybe a squirrel will come by.”).

Child pursues their own goals.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Finds ways to accomplish their own goals, such as climbing onto a table to reach something up high
  • Explores on their own and then returns to educator (i.e., runs to see something that looks interesting to them and then circles back to educator)
  • Tells an educator what they want to do
Ways educators might support the child's development
  • Engage the child in taking care of their stuffed animals or baby dolls in ways that mirror their self care: washing, diaper changing, trying to use the potty, reading books, and preparing for rest time with a blanket and lullaby
  • Allow child to attempt tasks by themselves without doing it for them right away

Child focuses on tasks and perseveres in accomplishing them.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Sits on a caregiver’s lap while they read a board book from start to finish
  • Maintains their focus on a desired outcome
    • Stacks large cardboard blocks until they balance
    • Completes 3–5 piece puzzle
    • Pushes and pulls a wagon up a hill
Ways educators might support the child's development
  • Provide materials and opportunities that meet their growing skill level. For example:
    • Scissors that cut well and are designed for leftor right-handed dominance
    • Small pitchers and stable cups so that children may pour independently
    • Easy to manage clothing such as pull-on pants
    • Sinks and toilets at child level or safely adapted for independence

Child uses their imagination to create and invent.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Uses everyday objects in imaginary play (e.g., picks up sticks and pretends they are swords)
  • Experiments with using various materials to solve problems (e.g., places a block on a stack of papers that is blowing away)
  • Dresses up as characters, (e.g., wraps scarf around neck and pretends to be a superhero)
Ways educators might support the child's development
  • Provide different kinds of music and encourage the child to move to the different beats and tempo
  • Include open-ended props for dramatic play, such as boxes, bags, and large pieces of cloth
  • Provide everyday items for children to play and create with, such as paper towel rolls, tissue paper, yarn, string, and tape

Child uses and coordinates their large muscle groups.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Changes speed or direction while moving though may have difficulty stopping with control
  • Walks up stairs, placing one foot on each step
  • Bends over to pick up a toy and stands back up
  • Jumps forward with both feet at the same time
  • Walks on tip-toes when asked
  • Climbs a playground ladder
  • Catches a medium-sized ball
  • Pedals a tricycle
Ways educators might support the child's development
  • Play ball with children, introducing concepts of taking turns, catching, and throwing
  • I ntroduce action songs such as, “Animal Action,” “Sammy,” and “We’re Going on a Bear Hunt”
  • Give children opportunities to walk barefoot on different surfaces, such as carpets, wood floors, linoleum floors, sand, concrete, or soft matting

Child controls the small muscles in their hands and wrists.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Use child-safe scissors in one hand to make snips in a piece of paper
  • Strings large wooden beads onto a shoelace
  • Balances 5–6 blocks on top of one another
  • Open a door by turning the round handle
  • Picks up a cup with one hand to drink from it
  • Turns the pages of a paper book one at a time
Ways educators might support the child's development
  • Include materials in the learning environment that foster fine motor skills
    • Balls
    • Blocks
    • Cardboard tubes to string with yarn
    • Knob puzzles
    • Large pegboards
    • Modeling compound
    • Spoons and scoops in sand and water areas
    • Cloth to collage
    • Safety scissors
    • Paper to crumple/rip
    • Variety of painting supplies

The child uses sight, hearing, smell, taste, touch, proprioception (deep pressure), and vestibular function (balance) to perceive and respond to the world around them.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Notices textures on their clothes (e.g., a lumpy sock or pants made of different fabric than their shirt)
  • Tries different positions for walking quickly or running (e.g., leaning forward, rotating arms like propellers, or running sideways)
  • Jumps off a step
  • Rolls across the floor
  • Touches everything in their environment
Ways educators might support the child's development
  • Create a learning environment that provides opportunities for children to develop their senses; consider Including:
    • Beautiful objects
    • Heavy objects for children to move and carry, such as phone books wrapped in duct tape or laundry detergent containers filled with sand
    • Large pieces of cloth in which children can wrap themselves
    • Opportunities for practicing balance, such as riding a rocking horse
    • Water and sand tables
    • Materials that can be stretched, squeezed, and rubbed

Child cares for their physical well-being.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Tries a wider range of textures and flavors of food
  • For breastfeeding toddlers, begins to have interactions with their mother about when and how they like to nurse
  • Anticipates and participates in family and/or childcare sleeping routines
  • Shows interest in toilet training and may start to use toilet regularly with assistance
  • Washes and dries hands after toileting and before meals, with assistance
  • Cooperates and assists educator in tooth-brushing
Ways educators might support the child's development
  • Talk to families about their values. (Are independence and autonomy important to them? In which areas?) Acknowledge different perspectives.
  • Provide the child with opportunities to do tasks that their family expects them to learn to do independently
    • Pour their milk and help themselves to a rice cracker from a plate on the table
    • Dress and undress themselves
    • Brush their teeth
    • Set the table for meal times
    • Put on their shoes
  • Offer the child appropriate choices when dressing (“Do you want to wear your star shirt or your elephant shirt?”)
  • Post supporting visuals to encourage independence; for example, show the steps of hand washing above the sink or the steps of washing their own cup and plate in the kitchen
  • Explore toileting by reading:
    • Everyone Poops , by Taro Gomi
    • Once Upon a Potty , by Alona Frankel
    • Diapers Are Not Forever , by Elizabeth Verdick

Child develops a healthy relationship to their body, pleasure, and others. This healthy sense of self is supported and demonstrated through respectful, caring, and loving relationships with families, educators, and other children.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Learns the language for different body parts and their functions (e.g., penis, vagina, or breasts)
  • Communicates their gender identity (e.g.,“I’m a girl!”) and categorizes others by gender
  • Expresses curiosity about their own body and the bodies of others (e.g., trying to see other people’s bodies or asking questions like: “Why doesn’t Kayla have a wee wee?”)
Ways educators might support the child's development
  • When toilet-teaching, use accurate language to describe genitals; validate children’s curiosity and provide accurate, age-appropriate answers to their questions
  • Engage in two-way communication with families regarding toilet teaching , and include
    • Words for penis and vagina in the child’s home language
    • Cultural expectations for privacy in the bathroom
  • Encourage children to read facial expressions and other body language (scared, sad, frustrated, happy, angry, etc.)

Child develops trusting relationships with nurturing adults.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Imitates adult activities (e.g., pretends to cook or “reads” next to adult who is reading)
  • Communicates with adults about recent activities (e.g., “Mama and I went to the store.”)
  • May show discomfort with separation or new situations when familiar caregiver is not present (e.g., by protesting loudly, crying, or withdrawing)
  • Seeks adult assistance with challenges but may become angry when help is given (e.g., “Help please, I do it myself.”)
Ways educators might support the child's development
  • Connect families to community supports such as parenting programs, book groups, and peer learning communities
  • Welcome the child as they are coming back to check in with you, and express confidence in their ability to go out and explore the world
  • Observe children playing independently and offer guidance when needed (e.g., “I see you want to play with a truck with Diego. I found a truck you can play with.”)
  • Listen carefully and with interest to what the child says and expand on the conversation (e.g., “When you went to the park, Daddy brought you an apple? What color was it? I like apples too.”)
  • Thank the child when they follow directions or help another child

Child experiences a sense of belonging in environments that link, extend, and affirm the child’s family and community. Child expresses comfort and joy with human diversity.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Identifies self as a member of a family; talks about family members who are not present
  • Is curious about physical characteristics of self and others (e.g., skin color, hair texture, or gender anatomy)
  • May begin to use social labels such as race to describe people and “match” them based on physical characteristics
  • Asks simple questions about other children (e.g., “Where’s Tommy?” “What’s he doing?”)
  • May begin to show fear, discomfort, or dislike toward people who look or speak in unfamiliar ways
Ways educators might support the child's development
  • Invite families to celebrate the child’s culture and traditions with the group (e.g., family comes to school snack time and serves sushi to children)
  • Gently introduce the child to a new learning environment, verbally and physically showing the child items to be played with and places their caretaking needs will be met; allow the child to observe and enter the environment at their own pace
  • Point out familiar items or people within the environment (“Look, Susie is here! You played with Susie yesterday with the cars.” “There is a maraca; you have a maraca like this at home.”)
  • Facilitate the initiation and inclusion of children in play

Child develops a sense of self through noticing and developing their own interests, preferences, and abilities. Child increasingly develops self-awareness, confidence, family pride, and positive social identities.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Understands that they are a separate person
  • Refer to themselves as “me” (e.g., “Me big.”)
  • Tests limits and strives for independence
  • Communicates with phrases such as “I doing this,” “I don’t do this, “I can do this,” or “I did this”
  • Identifies objects as belonging to them, such as a lunchbox or a stuffed animal (e.g., “That’s mine!”)
  • Makes choices (e.g., what toys to play with or what clothes to wear)
  • Communicates their gender identity (e.g.,“I’m a girl!”) and categorizes others by gender
Ways educators might support the child's development
  • Use songs and tell stories that are rooted in children’s home languages and cultures
  • Provide the child with a variety of materials and experiences to help them discover preference and abilities; add materials based on child’s interests
  • When appropriate, provide choices and respect children’s preferences (“Would you like to brush your teeth first or go to the bathroom first?”)
  • Proactively deepen your knowledge of children’s families, communities, and cultures so that you can provide culturally responsive care
  • I nclude books in the learning environment that promote a positive sense of self
    • My Heart Fills With Happiness , by Monique Gray Smith
    • I Can, Can You? by Marjorie W Pitzer

Child forms deep, caring, human connections by imagining what someone else may be thinking or feeling and responding with care. Child recognizes unfairness and understands that unfairness hurts.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Understands that people have beliefs that are not true
  • Understands that just as they have thoughts, feelings, and goals, other people have thoughts, feelings, and goals too
  • Begins to understand that not everyone likes the same things
  • Assigns feelings to dolls or toys and cares for them
Ways educators might support the child's development
  • Provide pets for the children to observe and care for (“I wonder if our fish is feeling hungry?”)
  • Empathize with the child (“I know it’s hard to wait for a turn.”)
  • Rethink the use of ‘I’m sorry,” as children may not know what this means; instead describe children’s feelings (“Look at Sheila. She’s sad. She’s crying. She’s holding her arm where you pushed her. Let’s see if she’s ok.”)

Child navigates friendships with peers through cooperation and negotiation.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Responds physically when another child takes a toy (e.g., pushing, hitting, or biting)
  • Recognizes there is conflict and seeks out educator’s assistance
  • Understands concept of “mine” and is starting to develop the concept of “his/hers/theirs”
  • Seeks out, initiates, and responds to other children for social interactions for short periods of time
  • Plays side by side with another child, making comments to them
  • Participates in loosely structured group games (e.g., chase, dramatic play, or ring-a-rounda-rosie)
  • Sometimes accepts and imitates other children’s ideas for play with adult prompts as needed (e.g., takes a shovel that is offered and briefly digs in sandbox beside another child)
Ways educators might support the child's development
  • Respond to conflicts objectively, using simple language to describe the conflict and phrases such as, “We have a problem, so what can we do to solve it?”
  • Stay with children until the conflict is resolved
  • Notice and verbalize children’s feelings (“I see you really want to play with that toy and it is hard to have to wait for it.”)
  • Provide alternate objects and activities while children wait for a turn
  • Show respect for the child’s choices and attempts at problem solving (“Hmm, I see you want that toy and you said, ‘Turn please.’ I wonder if we could find another toy to trade with Diana?”)

Child expresses and manages their feelings and impulses.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Continues to do an action, such as climbing over the top of a table, after an educator has asked them to stop
  • Protests loudly, and may have tantrums, in response to limits
  • Names some emotions (e.g., happy, sad, excited, mad, tired, or scared)
  • Begins to use pretend play to express/act out emotions
Ways educators might support the child's development
  • Invite the family to provide a comfort object from home, such as a blanket or a stuffed animal that a child may use to calm down
  • Use words to teach children to associate feelings with proper names (e.g., “She’s smiling. Do you think she’s happy, excited, or silly?”)
  • Talk with children about the feelings characters are having in books
  • Support the child by reflecting back their responses and reactions (“I see you. You are hitting and kicking. I am here to help you.”)
  • Stay with children while they are having strong feelings, and let them know they are safe
  • Notice and acknowledge the child’s preferred strategies for managing their feelings

Child follows the rhythms, rules, and routines of the learning environment.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Follows some consistently set rules and routines (e.g., chooses a book after lunch for quiet time)
  • Challenges boundaries and rules while striving for independence
  • Experiences difficulty transitioning from one activity to the next
  • Can verbally start to tell what comes next in the routines, and helps guide others in different transitions and activities
Ways educators might support the child's development
  • Meet with families to discuss the rules in their home. Identify which of these rules families consider cultural values; establish rules in the classroom that provide continuity with the children’s experience at home.
  • Agree on a simple set of rules with your team of educators
  • Provide time for children to learn and practice rules
  • Create a picture schedule and post at the children’s level to help children anticipate transitions; review the picture schedule at the start of the day
  • Encourage children to feel ownership of the learning environment; for example, provide access to a small sponge so they can wipe up their own spills

Child will develop the ability to speak and/ or sign in increasingly complete, complex, precise, and varied ways.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Puts two or more words together to express more complex thoughts (e.g., “All gone bubbles,” “Mommy eat,” “I want,” or “I no want.”)
  • Uses past tense in simple sentences that may contain errors, such as “I goed to school.”
  • Uses the possessive, though not always correctly, (e.g., “Her Julia.”)
  • Starts to label different items with an adjective such as a big chair or blue ball
  • Emergent multilingual learners will play with using more than one language in a single sentence or conversation (e.g., “More leche please.”)
Ways educators might support the child's development
  • Encourage families to read, sing, and play with their child in their home language
  • Have meaningful conversations with the child; notice what they are thinking and talk to them about it
  • Pause and wait for the child to respond to your questions
  • Demonstrate that you are committed to understanding children who speak a different home language than you
  • Reflect on personal biases and assumptions about “proper speech.” Ask families about words and grammar from language variations with which you are unfamiliar

Child will develop their ability to listen and understand complete, complex, precise, and varied language.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Answers/asks simple questions (Note: child’s answer may not be a response to what was asked, but may instead involve what they want to talk about in the moment)
  • Demonstrates understanding of simple directions in familiar context by responding appropriately (e.g., “Give daddy the cup, please.”)
  • Responds to directions that include verbs (e.g., run, jump, reach, open)
  • Understands statements with descriptive words for time (e.g., “After we clean up, we’ll go to the bathroom.”)
  • Understands words and phrases associated with family life in their home language
Ways educators might support the child's development
  • Encourage families to limit screen time and be active viewers with the child by talking about what they are seeing on the screen
  • Give specific descriptions of objects, events, and activities in the child’s world (“We are going to school with the blue door tomorrow, and you will see your friends and Miss Tatia.”)
  • Read to the child and have them turn the page and answer simple questions (“Where’d doggy go? Oh, there he is, under the bed.”)

Child uses language to relate to others according to the social expectations of their family, community, and culture.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Sustains conversation about a single topic for one or two turns
  • Makes a request or response (e.g., “I can,” “Yo quiero”, or “I want.”)
  • Repeats part of what the educator said to continue the conversation
  • Uses translanguaging, such as “That’s my abuelita.”
  • Uses single and paired words to command, indicate possession, express problems, and gain attention
  • Answers questions such as “What’s that?” and “Where is it?”
  • Begins using language to engage others in pretend play
Ways educators might support the child's development
  • Use phrases like “my turn,” “your turn,” and “When you’re finished, can I have a turn?”
  • Encourage awareness of the larger social world by participating in activities where familiar faces are seen and community is encouraged
    • Take a walk around the local park
    • Visit the library
    • Go to the farmer’s market

Child enjoys, attends to, understands, and makes meanings from spoken and written language of storytelling and books.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Contributes language from the text at the expected time (e.g., calls out “Caps for sale! Fifty cents a cap!” during a group reading of that book)
  • Asks for or picks out favorite story to read at bedtime or during play
  • Starts to point to words in the book and pretends to “read” them aloud
  • Spends time looking at books by themselves
Ways educators might support the child's development
  • Select books that are connected to a child’s life
    • Read books in the child’s home language
    • Read books that take place in the child’s community or culture
    • Read baby books to a child whose sibling was just born
    • Read books related to the child’s developmental experiences (e.g., toilet learning )
  • When reading, emphasize connections with the child’s lived experience; while reading a book about going to the doctor, for example, point out similarities to the child’s own doctor, or when reading about a market trip, comment on the foods a child might see in their local store

Child develops the ability to recognize and manipulate the different sounds in spoken language(s).

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Imitates substitution of the first sound in a word to rhyme (e.g., substitutes the initial sound of the name of friends to play a rhyming game or sing “Willaby Wallaby Woo.”)
  • Plays with sounds of words in context, and makes silly substitutions
Ways educators might support the child's development
  • Draw focus to words with similar endings (e.g., Oh, yes, you have a nose, and the nose smells the rose!”)
  • Read stories with short sentences that emphasize rhyming sounds (e.g., B rown Bear Brown Bear What Do You See? by Eric Carle)

Child uses materials and/ or language to make meaning for themselves and/or an audience.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Uses objects such as stuffed animals or action figures to act out simple stories (e.g., going to bed and waking up)
  • Organizes visual materials (e.g., play dough, paint, collage); may not intend to represent something or may change what they are representing throughout the process
  • Pretends to be a character (e.g., puts on cape and flies like Superman)
Ways educators might support the child's development
  • Observe children’s interactions with toys and art materials
    • Are they telling a story as they play?
    • Are they arranging objects and marks with greater intentionality?
    • Are they pretending to be a character?
  • Acknowledge and extend children’s story-making
  • Provide many and varied writing tools and materials, including markers, crayons, pencils, and chalk

Child views, creates, and makes meaning of visual communication and multimedia documentation, which includes drawings, collections, photographs, videos and displays.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Makes connections between a display of objects or images of personal experiences
Ways educators might support the child's development
  • Take photographs of local landmarks, familiar community members, or children’s houses; make a book of them or post them in the classroom
  • Document experiences that were meaningful to the child, such as a time they jumped off a step, and use the documentation to reflect on the experience with the child
  • Use photographs of the children in the classroom to create a picture schedule of the day

Child recognizes and develops the ability to explain how material objects change and how they remain stable.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Is curious about physical objects that appear to be stable but whose properties change, such as ice and sand
  • Reacts to puppets and adults in costume as if they were real
Ways educators might support the child's development
  • Set up activities such as mixing color stations or watercolors over ice cubes to show how things change properties
  • Plant bean or grass seeds and watch them grow
  • Notice and respect children’s feelings about puppets and costumes

Child uses symbolic thought to represent.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Uses objects flexibly for symbolic play (e.g., a stick becomes a spoon then a wand; a box is a boat then a house)
  • Animates and interacts with objects (puppets, toys, sticks, or dolls) as characters who speak aloud and have feelings
  • Talks to self during dramatic play even when no playmates are around
  • Completes a series of actions related to a theme in dramatic play, such as listening to a doll’s heart, then giving the doll a shot and a bandage
  • -Makes marks on paper and says they represent something (”I drew Mommy.”)
Ways educators might support the child's development
  • Provide fabrics and props for the child to use in dramatic play so they can create scenarios
  • Encourage child to talk about or point to specific parts of their drawings, paintings, and sculptures by saying, ”Tell me about your…” or “Oh, you are pointing at a red tree!”

Child develops the ability to store, retrieve, and share information about past experiences.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Recreates experiences in dramatic play (e.g., after going to the grocery store, pretends to put food in a cart and check out)
  • Tells about a significant event they remember from the past, such as a time they jumped in a big puddle
  • Shares information about recent experiences with trusted adults (e.g., telling a family member about the bee at the school playground)
Ways educators might support the child's development
  • Provide the child with photographs or objects to bring home to inspire family conversations about what the child did at school
  • Discuss previous events if the child brings them up, such as a trip to the grocery store or a bus ride to school
  • Provide props so that the child may reenact their experiences
  • If multiple children are remembering a past experience, acknowledge each story, but also point out details such as the time of day, or who they were with

Child becomes a scientific thinker by manipulating objects, asking questions, making observations and predictions, and developing generalizations.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Makes guesses about what might happen next based on previous experiences (e.g., pushes doorbell and waits for someone to come to the door)
  • Asks simple questions about the natural world (e.g., asks “Where did the rainbow go?” or “Why is it wet outside?”)
Ways educators might support the child's development
  • Engage in multi-sensory activities that invite investigation
    • Cooking in the classroom
    • Mixing and stirring natural materials in buckets
    • Walks in the neighborhood, woods, or park
    • Floating scarves in the wind
    • Freezing objects in ice and watching them thaw
    • Digging holes
  • Ask “wh” questions, such as “What is that?” “Who is that?” “What if...?” “What do you think?” and “What happened?”
  • Listen to children’s questions and provide descriptive answers

Child understands and explores the causes and effects of actions and events.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Says, “She needs her blanket,” when a peer becomes upset
  • Says “shhh” and tiptoes when a child is still sleeping
  • When a child has a Band-Aid, other child points at it and asks what happened
Ways educators might support the child's development
  • Narrate what may be happening during an event that the child is curious about
  • Use the phrases, “I wonder...” and “Let’s see what happens if…”
  • Allow child plenty of time and repetition to explore an event or item; add materials to extend learning such as different size balls to roll down a ramp

Child plans and uses hands, tools, and technology to solve problems with materials.

24–36 months – See this age across all domains Toddlers

What educators might observe
  • Intentionally selects objects to use as tools in play (e.g., chooses a thick stick over a thin one to use as a “spoon” to stir mud in make-believe soup)
  • Puts a circular piece into a puzzle without having to try the other areas
  • Verbally and physically asks for help from an adult or peer by saying “Help,” grabbing their hand, and leading them over to the problem
Ways educators might support the child's development
  • Allow child time to figure out problem for themselves, instead of intervening immediately; for example, build time into the schedule for child to try and get their shoes on before going outside
  • Encourage child to try doing a task, or suggest ways that they may be successful, such as getting a stool to reach the sink
  • Ask if the child needs help and acknowledge and respect the response
G

Math

1. Comparing and Categorizing

Child recognizes some similarities and differences between familiar and unfamiliar people, objects, or experiences.

24–36 months – See this age across all domains Toddlers
What educators might observe
  • Collects a single type of object (e.g., picks up pinecones on a walk in the park)
  • Calls a big animal “Papi” (“Daddy”) and a small animal “Bebe” (“Baby”)
  • Begins to sort similar items into categories such as color or shape (e.g., retrieves blue ball when asked, “Could you please get the blue one?”)
  • Identifies small, medium, and big objects when arranged in a series
  • Uses one-to-one correspondence with objects(e.g., puts one straw in each cup.) objects (e.g., puts one straw in each cup)
Ways educators might support the child's development
  • Provide puzzles and toys that encourage matching, such as shape sorters
  • Incorporate categorization into games with children; for example, make up a story together in the block area about a family of goats and a family of sheep
  • Label the same objects in a group in different ways (“mommy, child, baby” and then “big, small, tiny.”)
  • Encourage child to group toys and compare similarities and differences between them (e.g., “Let’s find all the toys with wheels.”)

2. Number Sense and Quantity

Child understands and explores numbers and quantity.

24–36 months – See this age across all domains Toddlers
What educators might observe
  • Starts counting with “one”
  • Says all the number words they know when counting objects, even when the quantity of objects is small
  • Reuses the number words they know if the quantity of objects is greater than the number words they know
  • Uses “a little” and “a lot” to describe quantity
  • When told, “Give me one,” hands educator just one object
  • When educator says, “Just take two,” takes only two slices of apple from the bowl
  • Demonstrates one-to-one correspondence with objects (e.g., puts one block in each muffin tin)
Ways educators might support the child's development
  • Encourage children to set the table for snack or lunch with one cup, one plate, and one napkin at each chair
  • Use language to describe quantity throughout the day (“We have a lot of apples for snack! We have many more apples than we can eat.”)
  • Incorporate counting into representational play with children (“There are three bears in the house. One, two, three.”)
  • Provide egg cartons, ice cube trays, and muffin tins with small blocks so children can practice one-to-one correspondence

3. Patterning

Child develops the ability to identify, describe, extend, and create patterns.

24–36 months – See this age across all domains Toddlers
What educators might observe
  • Calls a striped shirt with no repeating unit a “pattern”
  • Copies simple repeating patterns (e.g., if the educator squats then stands repeatedly, the child continues this motion)
Ways educators might support the child's development
  • Look for patterns in the natural and built environment with the child
  • Encourage the child to help set the table at mealtimes
  • Engage children in cooking activities where patterns are reinforced (e.g., when taking turns mixing, chant, “Stir, stir, stir, pass! Stir, stir, stir, pass!)

4. Spatial Sense and Geometry

Child understands how objects, points, lines, and shapes fit in space.

24–36 months – See this age across all domains Toddlers
What educators might observe
  • Matches shapes with similar sizes and orientations
  • Completes three or four piece puzzles
  • Stacks rings on a post with the biggest on the bottom and the smallest on the top
  • Understands words related to position (e.g., “Please put the basket on the table” or “Please get under the covers.”)
  • Understands the words “longer,” “shorter,” “big,” and “little”
  • Places blocks on one another to make a stack, lining up the edges
Ways educators might support the child's development
  • Outline shapes on the floor using string or tape, and encourage the children to go inside
  • Provide different sized boxes, wagons, and wheelbarrows that the children can climb in and out of and can use to move objects or other children
  • Talk about the shapes of blocks with children; compare the blocks with one another
  • Emphasize words describing where objects are in relation to one another (“beside” and “between”)
  • Help the child to find themselves in space (“Where is your pinky finger? Where is your elbow?”)

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