Illustrative Mathematics
Number of the Day
Daily routines not only help to manage classrooms, they can also provide learners with rich opportunities for learning. This activity supports young learners in developing their number sense by counting up the school days on a class 100...
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
K-5 Math Teaching Resources
Base Ten Cards (tens and ones)
Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways to build the numbers...
Curated OER
Kindergarten Numbers and Number Sense
Twelve math lessons take kindergartners through the process of number sense and counting. The skills range from counting to ten, filling out ten frames, indicating ordinal position of an object, and counting by fives and tens to one...
Curated OER
How Much, How Fast, How Far?
Students investigate the concept of the number one million. In this number concepts lesson, students read the book How Much is a Million? and brainstorm questions, such as "how many leaves are on a tree" and "how many hairs are on your...
K-5 Math Teaching Resources
Ten Frame
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with developing their basic...
Curated OER
Number Patterns
Help your young scholars to identify even and odd numbers. For this number sense lesson, they read the book Madeline and use counters to identify which number has a "partner." Learners write down odd and even numbers on a whiteboard.
Curated OER
Counting in Kindergarten: Make Number Books
Emergent math masters practice 1:1 correspondence, number recognition, and quantity-to-number relationships. They view number flashcards, state the correct number name, and circle the corresponding numeral to represent the number of...
Illustrative Mathematics
Pick Two
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Illustrative Mathematics
Which Number is Greater? Which Number is Less? How do you Know?
When comparing groups of objects, it's easy for children to identify which has more, but it's not so easy for them to explain their reasoning. This simple whole-group activity provides multiple opportunities for learners to compare...
Curated OER
Math Throughout the Day
Learners practice their number sense throughout the day. They practice their use and understanding of numbers in every part of the day. Students watch and listen to the teacher count students in class, sort themselves based on colors or...
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Curated OER
Counting 1 to 5
Students explore number sense by participating in a counting activity. In this whole numbers lesson, students identify the first 5 numbers after 0 and practice writing them in class. Students utilize visual aides to assist them and...
Mental Arithmetic
Number Bonds to 10
First graders solve the sums up to 10 using the mental math strategy of number bonding. Thirty different addition facts on the worksheet allow for plenty of practice.
K-5 Math Teaching Resources
Ten Frame Cards
Support your visual learners on their journey to mathematical understanding with this collection of ten frame cards. Representing numbers from 1 to 42, these pictures can be used in any number of ways to introduce children to the concept...
Curated OER
Using Numbers Everywhere
Kindergarteners explore various representations and uses of numbers to develop number sense. They participate in an activity and arrange patterns into groups. Students compare the sets and describe the objects in each set.
Curated OER
Ten Red Apples; The Five Senses
A clever lesson designed around an apple awaits your learners. Descriptive words are used to explain what they believe is inside a bag while using their five senses. Students read the story The Apple Pie Tree and are introduced to the...
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
Curated OER
Further Investigating Greater Than, Less Than, and Equal to
Students investigate number relationships such as greater than, less than, and equal to. In this number relationship lesson plan, students use number mats and a fish with a large, open mouth to practice showing number relationships.
Curated OER
K-1 Numeral Recognition
Students investigate numerals by creating visual aides. In this number sense lesson, students discuss the different types of numerals and how they can be translated into a number or an image. Students create a children's book using...
Illustrative Mathematics
Christina's Candies
Help Christina figure out how many chocolate and lemon candies she has with a lesson on decomposing numbers. When presenting this context to the class, the teacher chooses the total number of candies and the number that are chocolate,...
Illustrative Mathematics
A Bobbie Bear's Buttons
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support young scholars with the process, consider creating a worksheet or...
Curated OER
Number Recognition Games
Learners explore number sense by participating in a math recognition activity. For this number identification lesson, students practice pronouncing names of numbers and matching the number with an amount of objects. Learners practice...
Curated OER
Marshmallow Fun Day - math
Early learners rotate to different classroom centers and participate in six activities based on using marshmallows to review concepts learned. They make: marshmallow sculptures (geometric shapes), the shape of mittens using colored...