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5.1: Importance of Early Childhood Mathematics and Developing Number Sense

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    Course Competency 5. Examine strategies that teach early math skills

    Criteria 5.1. describe the continuum of number and counting development.

    Introduction to Mathematics

    In this chapter, you'll explore the importance of early math education, and best teaching practices in early childhood mathematics. You will be introduced to the joint position statement from the NCTM and NAEYC on early mathematics. You'll discover the mathematical strands and how we can support children develop skill and understanding of this content.

    Baby reading a book.

    Math Learning Starts Early

    “Mathematical knowledge begins during infancy and undergoes extensive development over the first 5 years of life. It is just as natural for young children to think mathematically as it is for them to use language, because “humans are born with a fundamental sense of quantity” (Geary, 1994, p. 1), as well as spatial sense, a propensity to search for patterns, and so forth” (Clements, Sarama, & DiBiase, 2004).

    Emergent mathematics is the earliest phase of development of mathematical and spatial concepts. Emergent mathematics encompasses the skills and attitudes that a child develops in relation to math concepts throughout the early childhood period. Emergent mathematics and those foundational math skills are not optional. They are necessary to the success of each and every student.

    It is widely accepted that literacy learning begins the day a child is born. Reading to infants and toddlers and preschoolers is an early predictor of positive literacy success. Mathematical understanding can be regarded in the same way. During the first months of life, a child begins to construct the foundations for mathematical concepts. For example, before a child can count, he/she can construct ideas about mathematics. They recognize “more,” “less,” and basic equality.

    Read the articles, “Early Math Skills Predict Later Academic Success” by Nancy Christensen. You will notice that early childhood mathematics is critical for the future success of children (Duncan, 2007). As you read this article, reflect on what you have learned, what difference it makes to you as a future teacher and the children you will teach, and what you can do with this information.

    Research Highlight

    Research indicates that the ability to reason about numbers starts as early as infancy. Five-month-olds show sensitivity to the effects of addition or subtraction of items on a small collection of objects. Toddlers viewing three balls put into a container and then one being removed know to search for a smaller number of balls, and many search for exactly two balls.

    By the time children are in preschool, prior to having any formal lesson in arithmetic, they use a variety of strategies to solve simple addition and subtraction problems. They may use manipulatives or fingers to represent the numbers in the problem and count out loud to find out the answer. As they get older, they rely less and less on finger counting. To solve an addition problem such as 4 + 2 presented with concrete objects (e.g., color crayons), the child may count all objects “one, two, three, four” and then continue with the second set of objects “five, six” and find out there are a total of six. At a later stage, the child may “count on” from the second set of objects. Knowing the number of objects in the first set (e.g., “four”), the child starts with “four” and continues to count “five, six” to find out the total number of objects, rather than starting to count from “one” with the second set of objects.[3]


    K. Wynn, “Addition and Subtraction by Human Infants,” Nature 358 (1992): 749– 50.

    P. Starkey, “The Early Development of Numerical Reasoning,” Cognition 43, no. 2 (1992): 93–126.

    R. S. Siegler, “The Perils of Averaging Data Over Strategies: An Example from Children’s Addition,” Journal of Experimental Psychology: General 116, no. 3 (1987): 250–64.

    Best Teaching Practices

    As a teacher of mathematics, please remember these fundamental beliefs.

    1. Thinking about the problem, not just the answer, is what is most important. The teacher should be the facilitator, not the one with all the answers.
    2. Process is more important than product. Mathematics is not just “facts” to be memorized. The concepts children learn are of upmost importance; and then the memorization will come. Children must have experiences through play and using manipulatives and “reinvent” the concepts of mathematics in their own minds.

    The National Council of Teachers of Mathematics (2014), in its publication Principles to Action, represents a unified vision of what is needed for teaching all students.

    The Eight Mathematics Teaching Practices can be found in the Executive Summary.

    1. Establish mathematics goals to focus learning.
    2. Implement tasks that promote reasoning and problem-solving.
    3. Use and connect mathematical representations.
    4. Facilitate meaningful mathematical discourse.
    5. Pose purposeful questions.
    6. Build procedural fluency from conceptual understanding.
    7. Support productive struggle in learning mathematics.
    8. Elicit and use evidence of student thinking.

    Read more about the Mathematics Teaching Practice in the Executive Summary.

    Treat Children as Mathematicians

    • Mathematicians often work for an extended time on a single problem. Allow your students ample time to work on a problem.
    • Mathematicians collaborate with their colleagues and study the work of others. Allow your students to collaborate, argue, consult, defend, ask, explain, and pose questions to others.
    • Mathematicians must prove for themselves that their solution is correct. Children must also prove to themselves that they have the correct solution. Give students time to think and discuss. Don’t be too quick to tell a student their answer is correct or incorrect; instead ask the student to explain their answer.
    • The problems mathematicians work on are complex. Good problems ask students to find innovative solutions without a time limit. Problems should spark children’s thinking, rather than promote rote memorization.
    • Mathematicians get satisfaction from the problem-solving process and take pride in their solutions. Children will understand the concepts and procedures more if they are allowed to use their own thinking processes. This also allows children to make connections to prior knowledge and real-life experiences.
    • Mathematicians use unsuccessful attempts as stepping-stones to solutions. We need to emphasize mathematical thinking rather than just getting the correct answer.

    NCTM/NAEYC Position Statement on Early Start in Learning Mathematics

    The National Council of Teachers of Mathematics (NCTM) and the National Association for the Education of Young Children (NAEYC) published a Joint Position Statement (2010) affirming high-quality, challenging, and accessible mathematics education for 3- to 6-year-old children is a vital foundation for future mathematics learning. The ten research-based, essential recommendations to guide your classroom practice are:

    1. Enhance children’s natural interest in using mathematics to make sense of their world.
    2. Build on children’s background experience and knowledge.
    3. Base instruction on knowledge of children’s cognitive, linguistic, physical, and social-emotional development.
    4. Strengthen children’s problem-solving and reasoning processes as well as representing, communicating, and connecting mathematical ideas.
    5. Ensure a coherent curriculum that is compatible with sequences of important mathematical ideas.
    6. Provide for children’s deep and sustained interactions with mathematical ideas.
    7. Integrate mathematics with other activities and other activities with mathematics.
    8. Provide ample time, materials, and teacher support for children to engage in play where they explore mathematical ideas.
    9. Use a range of experiences and teaching strategies to introduce mathematical concepts, methods, and language.
    10. Support children’s learning by thoughtful and continuous assessment.

    Light bulb

    Allow children to work for long periods of time on one problem. Good problems can have multiple solutions and different ways to arrive at those solutions; therefore, allow children to use their own methods for solving a given problem. Children’s excitement about mathematics comes from their own thinking abilities; encourage social interaction that promotes children to act as young mathematicians by requiring them to prove their answer and all the steps they took to attain the answer. Additionally, allow children to be wrong many times before being right. It is important to encourage children to see “wrong” answers as a natural part of mathematical processes.

    Mathematical Strands

    Mathematical strands are the different domains or areas of mathematics knowledge. The Wisconsin Model Early Learning Standards has divided this knowledge into 6 areas. You will see the areas reflected in the standards below.

    B. EL. 1 Demonstrates an understanding of numbers and counting.

    B. EL. 2 Understands number operations and relationships.

    B. EL. 3 Explores, recognizes, and describes, shapes and spatial relationships.

    B. EL. 4 Uses the attributes of objects for comparison and patterning.

    B. EL. 5 Understands the concept of measurement.

    B. EL. 6 Collects, describes, and records information using all senses.

    (Please note B.EL.1 and B.EL.2 refer to skills and knowledge in number sense. Some states keep those two components together, but Wisconsin has organized this knowledge into 2 separate standards.)

    You will explore each of the strands throughout the chapter, starting with Number Sense below.

    Number Sense

    The earliest mathematical skills children develop deal with number recognition (identifying and naming numbers) and counting. Both are part of the foundational mathematic skill of number sense. (Refers to B. EL. 1 Demonstrates an understanding of numbers and counting.)

    Number sense is defined as a “good intuition about numbers and their relations. It develops gradually as a result of exploring numbers, visualizing them in a variety of contexts, and relating them in ways that are not limited by traditional algorithms” (Howden, 1989). When students consider the context of a problem, look at the numbers in a problem, and make a decision about which strategy would be most efficient in each particular problem, they have number sense. Number sense is the ability to think flexibly between a variety of strategies in context.

    Building on subitizing, composing and decomposing numbers, using ten-frames, and the hundreds chart will help develop number sense in your students. When students have number sense, they gain computational fluency, are flexible in their thinking, and are able to choose the most efficient strategy to solve a problem. (Refers to B. EL. 2 Understands number operations and relationships.)

    Number sense is a foundational idea in mathematics; it encourages students to think flexibly and promotes confidence with numbers. According to Marilyn Burns (2007), “students come to understand that numbers are meaningful and outcomes are sensible and expected.” And “just as our understanding of phonemic awareness has revolutionized the teaching of beginning reading, the influence of number sense on early math development and more complex mathematical thinking carries implications for instruction” (Gersten & Chard, 1999).

    Number sense is a skill that allows students to work with numbers fluently and efficiently. This includes understanding skills such as quantities, concepts of more and less, symbols represent quantities (8 means the same thing as eight), and making number comparisons (12 is greater than 9, and three is half of six). Students must

    1. Understand numbers, ways of representing numbers, relationships among numbers, and the number system,
    2. Understand the meanings of operations and how they related to one another, and

    Compute fluently and make reasonable estimates (NCTM, 2000).

    Teachers must give students many opportunities to develop number sense through activities with physical objects, such as counters, blocks, or small toys. Most children need that concrete experience of physically manipulating groups of objects. After these essential experiences, a teacher can move to more abstract materials such as dot cards and ten frames. These materials would help to develop the more complex aspects of Number Sense represented in Wisconsin Model Early Learning Standard PERFORMANCE STANDARD: B.EL. 2 Understands number operations and relationships.

    Dot CardsChildren putting counters on a ten frame

    Figure 9.5: These children are exploring numbers and quantity as they play with dominos.[2]

    The Development of Counting Skills/Number Sense

    See the chart below to see how counting skills develop in young children.


    Figure 9.5: Image by Ian Joslin is licensed by CC-BY-4.0

    The information below is from the California Preschool Standards and is again provided as a reference to the age you may see these Number Sense skills appear. However, remember the Wisconsin Model Early Learning Standards include the skills for Number Sense in order of development but do not assign a specific age to any skills as all children develop at their own rate and time.

    Examples in 1.0 would correlate to WMELS B.EL. 1 Demonstrates understanding of numbers and counting.

    At around 48 months of age

    At around 60 months of age

    1.0 Children begin to understand numbers and quantities in their everyday environment.

    1.0 Children expand their understanding of numbers and quantities in their everyday environment.

    1.1 Recite numbers in order to ten with increasing accuracy.

    1.1 Recite numbers in order to twenty with increasing accuracy.

    1.2 Begin to recognize and name a few written numerals.

    1.2 Recognize and know the name of some written numerals.

    1.3 Identify, without counting, the number of objects in a collection of up to three objects (i.e., subitize).

    1.3 Identify, without counting, the number of objects in a collection of u to four objects (i.e., subitize).

    1.4 Count up to five objects, using one-to-one correspondence (one object for each number word) with increasing accuracy.

    1.4 Count up to ten objects, using one-to-one correspondence (one object for each number word) with increasing accuracy.

    1.5 Use the number name of the last object counted to answer the question, “How many . . . ?”

    1.5 Understand, when counting, that the number name of the last object counted represents the total number of objects in the group (i.e., cardinality).

    Teachers can support children’s development of the number sense foundations with the following:

    • Observe children’s spontaneous counting and foster growth through scaffolding or modeling
    • Encourage counting during everyday interactions and routines
    • Include preschool children’s home language in counting activities, whenever possible
    • Ask questions that encourage purposeful counting
    • Foster one-to-one correspondence within the context of daily routines (such as setting the table)
    • Support preschool children’s ability to apply the counting procedure by
      • Providing a lot of objects to count
      • Starting with small sets
      • Modeling counting
      • Encouraging children to self-correct their counts
    • Consider adaptations for children with special needs
    • Use games, books, and other materials accessible to preschool children
    • Plan group activities focused on counting
    • Promote the use of comparison terms (more, same as, fewer, or less) through everyday interactions
    • Use everyday interactions and routines to illustrate and discuss addition and subtraction transformations (“adding to” results in more and “taking away” results in less)
    • Make estimations
    • Use graphing with children[3]
    Figure 9.6: Here is an example of a material that supports children’s understanding of Arabic numerals and counting.[4]

    Supporting the Development of Number Sense Through Songs and Fingerplays

    We know signing songs and participating in fingerplays is a great way to develop language skills in young children, but it is also a way to develop important concepts relating to number sense. See the Erikson Institute Early Math Collaborative for more information on Songs and Fingerplays with preschoolers to develop their number sense. Also, see their other resources to learn more about number sense and counting.

    Giving children multiple opportunities to experience early number concepts and number sense is critical for early childhood teachers.

    Children must experience mathematics through play and manipulatives as they make sense of numbers in their own minds.

    Math Milestones

    Young boy playing with toys.

    Children grow faster in the first two years of life; more than at any other period of development. During the first two years, the brain grows from 25% of its adult weight to 75% of its final adult weight. Additionally, gross motor skills develop; they use large muscle groups to crawl, sit, stand, and lift things. Fine motor skills develop more slowly: stacking blocks, stringing beads, zipping zippers, and buttoning buttons.

    Children are learning about the world around them through experiencing it through sight, smell, sound, touch, and taste. They are also learning by thinking about things, forming hypotheses, testing them, and problem solving. This is Piaget’s sensorimotor stage of development. This stage is from birth to approximately 2 years of age, and is a period of rapid cognitive growth and development. Object permanence is the main development during the sensorimotor stage and is vital to mathematics because it is the understanding that an object continues to exist even if it is not seen. According to Geist, “object permanence is the first step toward representation. When a child knows something exists even when he can’t see it, it means he has a mental concept of the object in the absence of its presence. This is one of the bases upon which more advanced mathematics will be built. Numbers are representative of objects and quantities even if we do not see them” (Geist, 2009).

    At a very early age, babies use mathematics concepts to make sense of their world. For example, they can signal “more” when they want more food. In addition, they know the difference between familiar and unfamiliar adults which is “sorting and classifying.” They have “spatial reasoning” as they play with boxes of different sizes, and they use “patterns” as they say words and phrases.

    As early as 6 months old, children begin to develop an understanding of “more.” They ask for “more milk” or “more food.” Babies from 0-12 months begin to predict the sequence of events, such as running water means bath time, they begin to classify things into certain categories, such as toys that make noise and toys that don’t, and they begin to understand relative size, such as parents are big and babies are small (Morin, 2014).

    At 12 to 18 months old, children start to recognize patterns and understand shapes as they play with objects. They begin to sort familiar objects by characteristics, and they enjoy filling and emptying containers. Many children at this age can complete simple puzzles when the puzzle pieces show the whole object.

    Although each child progresses at different levels, generally children of 18 months to 24 months old can show “one” and “two” on their fingers. They know some number words. Although they do not understand quantity, they do begin to understand “take one” or “give me one.” Children can match same-sized shapes. Puzzles and toys of squares, triangles, and circles help children develop spatial reasoning.

    At 24 to 30 months old, children are learning important mathematical concepts and skills through their play. They recognize patterns and begin to use logical reasoning to solve everyday problems. They can sort shapes and stack blocks by size, and be able to distinguish between “big and small” and “fast and slow.” Children will be able to say some numbers, although they may skip some numbers in the sequence. For example, they may say, “one, two, three, five, ten…” By the age of 3, children should be able to count one to ten. Children at this stage of development generally understand addition and subtraction with the numbers one and two.

    At approximately three years old, a child may attend a preschool. But what does mathematics teaching and learning look like in a preschool classroom? All children have the potential to learn mathematics that is challenging and at a high-level (Sarama & Clements, 2009). There is a wide range of development between ages three and five. There will be children who are “almost potty trained” as well as children who have begun learning to read. “Sit-and-listen” approach is only effective if it is highly engaging and exciting, for example, a story being read to the class. Therefore, teaching should consist almost entirely of “active learning.” Teaching should emphasize student-directed/teacher-facilitated activities. Worksheets are inappropriate at this level.

    At 3-4 years old, children can count up to 30; and be able to count backwards from ten. Additionally, they can use ordinal numbers “first,” “second,” and “third.” At this age, children will be able to use superlatives such as “big, bigger, biggest.” At age 4, children will understand the concept of addition as putting together and subtraction as taking from when objects are in front of them. They also recognize shapes, begin to sort things by color, shape, size, or purpose, understand that numerals stand for numbers, and have the spatial awareness to complete puzzles (Morin, 2014).

    At age four, children begin to have one-to-one correspondence in which numbers correspond to specific quantities. For example, a child would point to the number of blocks on the table and say, “1, 2, 3, 4, 5. I have five blocks.”

    At age five, children can identify the larger of two numbers and recognize numerals up to 20. They can copy or draw shapes, and understand basic time concepts such as days of the week. By age six, children can add and subtract within ten mentally and solve simple word problems.

    Read more about Mathematical Milestones: Children’s Development of Mathematical Concepts: Ages 0-4 (Infants, Toddlers, & Preschoolers).

    Baby looking at a book

    Infants and Toddlers

    Mathematics is all around us! And we use mathematical language all the time, even without realizing it. For example, when we sort laundry into colors and whites, we are sorting and classifying. Keeping score at a game is number and operations. Spatial relationships occur when we give someone directions, and when we make comparisons such as big and little, that is measurement. Everyday activities include patterns and order. Teachers must make mathematics visible to children through math talks (Greenberg, 2012).

    Infants and toddlers understand number and operations as we talk with them about numbers, quantity, and one-to-one correspondence. According to Greenberg (2012), we can say the following to young children:

    • You have two eyes, and so does your bear. Let’s count: 1-2.
    • I have more crackers than you do. See, I have 1, 2, 3, and you have 1, 2. I’m going to eat one of my crackers. Now I have the same as you!
    • That’s the third time you have said mama. You’ve said mama three times!

    Infants and toddlers understand geometry by recognizing and naming shapes. According to Greenberg (2012), we can talk with our children about understanding shapes and spatial relationships:

    • Look, Samantha went under the stool and Hartley is on top.
    • You are sitting next to your sister.
    • Some of the cookies are square and some are round.

    Algebraic thinking begins as children see patterns, relationships, and change as they recognize relationships that make up a pattern or create repetitions. For example, you can say to infants and toddlers:

    • Grandpa has stripes on his shirt – red, white, blue, red, white, blue.
    • Let’s clap to the beat of this song.
    • I put the blocks in the bucket; you dump them out. I put the blocks back in the bucket; you dump them out.

    Data analysis begins as infants and toddlers gather, sort, classify, and analyze information to make sense of their world. Teachers can talk with children about data by saying the following:

    • Let’s put the big lid on the big bowl.
    • You always smile when mommy sings.

    Adapted from Greenberg, 2012

    Math talks begin as soon as a child is born. During bath time, diaper time, meal time, or on walks or shopping trips is the perfect time to talk about shapes and sizes, talk about patterns, and describe things that are different. Mathematics comprehension is more than just numbers. Math is also about sorting things into categories such as big, bigger, and biggest; solving problems using patterns; solving spatial problems; and using logic.

    Read more about Math Talks with infants and toddlers in this article, More, All Gone, Empty, Full: Math Talk Every Day in Every Way.

    Kindergarten and First Grade

    As children enter kindergarten and first grade, there are many changes in the physical, cognitive, and social-emotional development. Children in kindergarten can sit and attend to a formal lesson for approximately 10 minutes. At this level, the focus of mathematics instruction should be through experiences. By first grade, children can sit for a 15-20 minute formal lesson and although they are developing selective attention (the ability to decide what to attend to and what to ignore), the focus should still be on mathematics teaching through experiences.

    Children in kindergarten and first grade are developing their gross and fine motor skills. According to Thelen and Smith, the development of coordination comes from physical play such as running and jumping and skipping (Thelen & Smith, 1996). Fine motor skills are developed as children write numbers and letters and use a pencil.

    Kindergarteners can add by counting on their fingers, and start with six on the other hand; they can copy or draw symmetrical shapes, and can follow multi-step directions using first and next. In first grade, students can predict what comes next in a pattern, know the difference between two- and three-dimensional shapes, count to 100 by ones, twos, fives, and tens, and can write and recognize numbers, and do basic addition and subtraction up to 20 (Morin, 2014).

    Young boy playing with toys.

    The Value of Play

    Play does not guarantee mathematical development, but it offers rich possibilities. As the teacher, it is up to you to observe and develop a classroom when children have many opportunities to discover mathematical concepts through play. Douglas Clements says, “Anyone who is pushing arithmetic onto preschoolers is wrong. Do not hurry children.” (Clements, 2001, pg. 270). Mathematics should be about joy and challenges, not pressure and compulsion.

    For example, children begin to recognize mathematical patterns by listening to music. They naturally make relationships between different-size and different-shaped blocks by sorting. According to Clements (2001), “Good early mathematics is broader and deeper than mere practice in counting and adding. It includes debating which child is bigger and drawing maps to ‘treasure’ buried outside. Quality mathematics instruction includes providing loads of unit blocks, along with loads of time to use them; asking children to get just enough pencils for everyone in the group; and challenging children to estimate and check how many steps are required to walk to the playground.”

    Classrooms that offer children opportunities to engage in play-based learning activities help children grow not only academically. “Play is a particular attitude or approach to materials, behaviors, and ideas and not the materials or activities or ideas themselves; play is a special mode of thinking and doing” (McLane, 2003, p. 11). As discussed in an earlier chapter, there is a strong connection between early mathematics learning and later success. One determining factor of later achievement is quality early mathematical experiences.

    Play is critical to a young child’s learning. Mathematics activities must be developmentally appropriate by “integrating logical thinking, decision making comparison, and the making of relationships throughout the child’s day into everything they do” (Geist, 2009). This is the goal of emergent mathematics – to immerse children in mathematics, number, and number concepts. Mathematics at this level must be taught through experiences. Engaging young children in play-based learning, teachers can include the following:

    • Rhythm and music allows children to recognize mathematical patterns,
    • Blocks and shapes gives children opportunities to make relationships between them, such as same and different,
    • Everyday activities such as counting help children develop number concepts,
    • Manipulatives such as stringing beads, multicolored balls, blocks, etc. encourage children in imaginative play,
    • Everyday routines and common activities such as snack time or distributing plates and napkins, and
    • Math games encourage children to make mathematical relationships.

    Adapted from Geist, 2009

    Read the article, “Mathematics in the Preschool” by Douglas H. Clements for more information about quality early mathematical experiences.

    Watch the video, “The Decline of Play,” by Peter Gray.

    Play is how children learn! Mathematics games, fantasy play, puzzles, manipulatives, and games allow children to learn and grow.

    As you read the vignettes below think about how number sense is being developed and fostered.


    Playing with cars on the rug, a child argued, “I have more: one, two, three, seven, nine, ten.” His friend replied, “No, I have more: one, two, three, four, five, six, seven.” The teacher intervened and asked, “How do you think we can find out who has more cars?” “I count,” said one of the children. The teacher suggested, “Let’s count together,” and she modeled counting together with the children. She put the cars in each set, in a row, and lined up the two sets against each other. The teacher pointed to each car while counting.

    During snack time, Veronica asked: “Can I have two more crackers?” The teacher replied, “Yes, and I see you already have two crackers. When I give you two more, how many crackers will you have altogether?”[5].

    The Teacher's Role in Math

    Mathematics is a natural part of the preschool environment. Young children actively construct mathematical knowledge through everyday interactions with their environment, whether inside or outside.

    Mathematics learning grows naturally from children’s curiosity and enthusiasm to learn and explore their environment. During the preschool years, children continue to show a spontaneous interest in mathematics and further develop their mathematical knowledge and skills related to number, quantity, size, shape, and space. Teachers should encourage children’s natural enthusiasm and interest in doing mathematics and use it as a vehicle for supporting the development of children’s mathematical concepts and skills.

    High-quality mathematics education in preschool is not about elementary arithmetic being pushed down onto younger children. It is broader than mere practice in counting and arithmetic. It is about children experiencing mathematics as they explore ideas of more and less, count objects, make comparisons, create patterns, sort and measure objects, and explore shapes in space. Mathematics learning happens throughout the day, and it is integrated with learning and developing in other developmental domains such as language and literacy, social-emotional, science, music, and movement. There is a general consensus “that high-quality, challenging and accessible mathematics education for three- to six-year-old children is a vital foundation for future mathematics learning.”

    Teachers have a significant role in facilitating children’s construction of mathematical concepts. When teachers join children in becoming keen observers of their environment and in reasoning about numbers, shapes, and patterns, mathematics is enjoyable and exciting for all.

    Figure 9.2: Songs and games are fun ways to support math.[2]

    Teachers may not always realize the extent to which their current everyday classroom practices support children’s mathematical development. For example, when singing with children “Five Little Ducks Went Out One Day,” incorporating finger play with counting, the teacher develops children’s counting skills and understanding of numbers. Discussing with children how many children came to school today and how many are missing supports children’s arithmetic and reasoning with numbers. Playing with children in the sandbox by filling up different cups with sand and discussing which cup is the smallest or the largest or how many cups of sand it would take to fill up a bucket introduces children to concepts of comparison and measurement.[3]


    [1] Image by Senior Airman Ryan Sparks is in the public domain

    [2] The California Preschool Curriculum Framework, Volume 1 by the California Department of Education is used with permission

    [3] The California Preschool Curriculum Framework, Volume 1 by the California Department of Education is used with permission

    5.1: Importance of Early Childhood Mathematics and Developing Number Sense is shared under a CC BY license and was authored, remixed, and/or curated by Janet Stramel & Vicki Tanck (Northeast Wisconsin Technical College).