Kids solve subtraction problems with three-digit numbers using regrouping in this third grade math worksheet.

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

Bus #3 needs to get to some houses! Help your child practice his number sense by looking for multiples of three.

Get more practice with addition facts within 20 with this colorful kindergarten math worksheet!

One, two, three ... GO! Have some fun making your own puzzle with this printable all about the number three.

Introduce seventh-grade students to cross sections of three-dimensional figures with this geometry worksheet! 

Kids try to "catch" the bouncy balls on this second grade math worksheet by solving subtraction problems with three-digit numbers using regrouping.

Challenge your prowess with scientific notation in the trickiest of three eighth-grade worksheets!

Practice three-digit addition using open number lines with this second-grade math worksheet!

Kids color three sheep and trace the number 3 several times to practice counting, identifying, and writing numbers on this prekindergarten math worksheet.

Give seventh-grade students more practice with cross sections of three-dimensional figures with this geometry worksheet!

Kids help Gordon the Gecko practice two-digit subtraction in this 2nd grade math worksheet.

Practice three-digit subtraction using an open number line with this second-grade math worksheet!

Count up the cash in your piggy bank with this second-grade addition worksheet!

If your second grader is struggling with carrying, this adorable worksheet will provide some valuable double-digit addition practice.

Practice decomposing numbers and writing equations with this kindergarten and first-grade math worksheet!

Try this bright worksheet to give your first grader some at-home practice with adding three numbers!

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

If your child is confident in their addition skills, challenge them to tackle addition with three numbers.

Sometimes the best way to learn 3-D shapes is a hands-on approach. Practice drawing cubes with this fun tutorial about drawing in 3-D.

Practice subtracting by three with this picture problem worksheet! Your child can visualize the concept of subtraction with pictures.

Get more practice performing three-digit subtraction using an open number line with this second-grade math worksheet!

Multiplying by 3 is easier than multiplying by other numbers because of a certain pattern. When you multiply any number by 3, the digits of the answer must add up to a multiple of 3.

Learn the number 3 with this early math worksheet!

Kids count the number of letters on each book and draw lines from the number 3 to the books that have three letters on this prekindergarten math worksheet.

Give students practice adding three-digit numbers within 1,000! 

Your second grader can practice two-digit subtraction in style on this colorful math worksheet. A cheerful hummingbird keeps her company as she solves problems.