Common Core Number Theory Educational Resources

Engage students this fall season with this Halloween-themed hidden picture math puzzle featuring an array of real numbers.

Give students practice estimating square roots with this eighth-grade number sense worksheet!

Give students practice identifying prime numbers with this fun this maze activity!

Students build number sense while finding the probability of randomly selecting each digit in the first 100 digits of pi in this engaging math worksheet!

Get practice estimating cube roots with this eighth-grade number sense worksheet!

Learners practice determining factors of prime and composite numbers with this fourth-grade math worksheet!

Get more practice determining factors of prime and composite numbers with this helpful math worksheet!

Take a deep dive into prime and composite numbers to 20 with this exploratory worksheet!

Become the prime expert of prime numbers with this engaging maze!

Learn to identify prime and composite numbers in this guided worksheet!

Navigate a maze of greatest common factors in this fun worksheet!

Test your knowledge of least common multiples with this inviting maze!

Learn to determine the greatest common factor of a set of numbers in this sixth-grade worksheet!

Practice calculating the least common multiple (LCM) of two numbers with this useful worksheet!

Test your ability to find the greatest common factor (GCF) of a set of numbers with this worksheet!

Test your multiplication and division skills with this least common multiple (LCM) worksheet!

Master least common multiples (LCMs) in this essential sixth-grade worksheet!

Master determining the greatest common factor (GCF) of a set of numbers with this inviting worksheet!

Give your learners practice finding the greatest common factor (GCF) and the least common multiple (LCM) with this fun code-breaking worksheet!

Find factor pairs of two-digit numbers with this fourth-grade math worksheet!

Students build their number sense by finding the multiples of whole numbers in this fourth-grade math worksheet!

Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization! 

Learners will gain practice differentiating between rational and irrational numbers in this helpful eighth-grade math worksheet!

Students build their number sense as they practice finding the least common multiple of whole numbers in this math worksheet! 

Give your students practice finding the greatest common factor (GCF) with this fun code-breaking worksheet!

Give your students practice finding the least common multiple (LCM) with this fun code-breaking worksheet!

Grow students’ math skills with more practice finding the greatest common factor by using factor trees to find the prime factorization.

In this eighth-grade math worksheet, students will approximate square roots of non-perfect squares by finding the two whole numbers that the square root falls between.