Track down the tricky hidden number in this eighth-grade worksheet!

Uncover the hidden number with this investigative worksheet on prime and composite numbers!

Give your child prime number practice with this simple worksheet.

Here's a way for your third grader to practice finding multiples of two.

Reveal a secret number by identifying prime numbers in this fourth-grade worksheet!

Gradually reveal the secret number using your knowledge of rational and irrational numbers!

Practice approximating irrational numbers on number lines with this eighth-grade math worksheet!

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

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

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

Practice with prime and composite numbers in this colorful fourth-grade worksheet!

Does your child know the difference between a prime number and a composite number? Help them learn the difference with this simple worksheet.

Identify the greatest common factor of two numbers with this colorful sixth-grade worksheet!

Test your knowledge of rational and irrational numbers with this enriching worksheet!

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

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

In this 2nd grade worksheet, children solve two-digit subtraction problems (some requiring borrowing), then circle the answers that are multiples of 5.

This worksheet gives students practice identifying multiples of a number.

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

Learn about the world's most famous irrational number with this helpful handout.

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

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

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

Use this one-page handout to help students solidify their understanding of the real number system!

Practice finding rational approximations for irrational square roots in this eighth-grade math worksheet! 

Excite young learners with this fun-filled activity as they differentiate between rational and irrational numbers!

Students practice comparing irrational numbers in this helpful number sense worksheet! 

Learn to differentiate between prime and composite numbers with this fun worksheet!

Students continue to hone their understanding of how to find the least common multiple in this math practice worksheet! 

Students practice solving a variety of equations, then determine if the answer is a prime number.