K-5 Math Teaching Resources
Base Ten Mat (Tens and Ones with Tens Frame)
Working with base 10 blocks? Use this base 10 mat to organize blocks, tens and ones with one ten frame, and determine how many groups of blocks can be used to represent numbers.
Education Development Center
Creating Data Sets from Statistical Measures
Explore the measures of central tendency through a challenging task. Given values for the mean, median, mode, and range, collaborative groups create a set of data that would produce those values. They then critique other answers and...
Math Sphere
Co-Ordinates
Challenge young mathematicians' understanding of the coordinate plane with this series of skills practice worksheets. Offering 10 different exercises that involve identifying ordered pairs,...
K20 LEARN
Are We Golden?
Lead your class on a search for precious bones. Using a presentation, the class investigates the golden ratio in art and nature. Groups of pupils measure specific bones and find the average ratio for the class. To further cement the...
Illustrative Mathematics
Measuring Blocks
Stack them together to get a measurement. The short activity has pupils work in pairs to measure the lengths of two blocks and then determine the length of the two blocks together. The groups then determine an equation that represents...
Curated OER
Developing Number Concepts
Children count and group a set of beans, sorting into groups of 10 and noting the number that remains. Students understand the concept of numbers greater than ten, and play a game, guessing numbers greater than 10 using hints given by...
Curated OER
Algebra Worksheet: Number systems
This worksheet was originally created for a college level algebra class. It does contain some interesting questions about number and quantity that are important for algebra learners to understand. Natural numbers, integers, rational,...
Curated OER
Equal or Not Equal
Tiny mathematicians count the number of shapes (up to 8) in pairs of object groups and identify the sets as equal or not equal. Five practice problems. They also draw 2 groups of shapes that are not equal. A focused tool that...
Curated OER
Count the Dots: 10 Plus More Makes 11-20
Young math learners count and circle a group of 10 dots. They count on the extras, and write the corresponding number between 11 and 20 in a box. Nine practice problems in all.
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Associative Property
Here is a new twist on teaching the associative property of multiplication. The author of this presentation makes an analogy between the associative property and a couple getting married. The numbers, like people, are separate, but when...
Curated OER
Ordering Integers
Sixth and seventh graders compare and order integers. After locating integers in a newspaper, they describe examples of negative and positive integers. They draw a thermometer and locate positive and negative integers on the scale. In...
Curated OER
three Names Lesson
After the book Three Names is read aloud, math vocabulary is introduced . Either alone or in groups, learners use the vocabulary words in a meaningful sentence. Then they complete the provided worksheet.
Curated OER
Count by Tens to 50 (Hearts)
For Valentine's Day math review, primary learners count the hearts (in groups of 10) on each of 7 lines of a activity. Skip count by 10s and write the number of hearts (range: 10-50) in a space on the right hand column of the page.
Curated OER
Piecing it Together: Adding & Subtracting Fractions
Students add and subtract fractions and mixed numbers with unlike denominators. They "fish" for and solve a number of fraction problems requiring adding, subtracting, finding equivalent fractions, and using mixed numbers.
Curated OER
Understanding Fractions
Students explore the parts of an orange to develop an understanding of the addition and subtraction of fractions. The concept of representing parts of a whole by dividing an object into smaller pieces is experienced in this hands-on...
Curated OER
Larger and Smaller Numbers
In this comparing numbers from one to twenty worksheet, students observe numbers in groups of four boxes, compare the numbers, and color each box with the largest number. Students color 4 boxes.
Curated OER
Larger and Smaller Numbers 5
In this comparing numbers from one to ten worksheet, students observe groups of four boxes, compare the numbers, and color each box with the greater number. Students solve 6 problems.
Curated OER
Classification
Students investigate how different types of food can be classified then counted. In this sorting, arranging, and classifying lesson plan, students explore how to group foods based on commonalities. Students are asked four questions which...
Curated OER
Comparing Numbers - How Many More
In this number comparisons activity, students count the objects in each group and compare the numbers. Students write how many more pictures there are in the 25 problems.
Curated OER
Prime and Composite Numbers
Fifth graders use prime factorization to identify prime and composite numbers. They use cubes to find factors. In groups, 5th graders draw rectangular arrays to discover prime numbers under 100.
Curated OER
Prime and Composite Numbers
Sixth graders identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, 6th graders play a "Prime Take Away" activity to reinforce prime...
Curated OER
Prime and Composite Numbers
Fifth graders investigate the concepts of composite and prime numbers. They factor different numbers and determine the number of factors for each. Based upon this information the number is declared prime or composite.
Curated OER
TAKS Math Quiz-Factorization
In this TAKS math quiz instructional activity, students take an online quiz focused on the concept of factorization. Quiz can be graded online by clicking a link.