Kids complete each equation on this third grade math worksheet by determining whether an equation is addition or subtraction and writing in the correct sign.

Addition and subtraction practice can get a little repetitive, so mix it up with this funny under the sea worksheet.

Math learners solve sports-themed addition and subtraction problems in this practice worksheet.

Use this exercise to give your students practice solving word problems with addition, subtraction, or a mix of both operations.

This resource gives your learners practice solving multi-step word problems with mixed operations. They will use addition, subtraction, or both operations.

Challenge your third grade mathematicians with these addition and subtraction word problems. This exercise is designed to assess your students' math level at the beginning of third grade.

These school-inspired math word problems will challenge your student!

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Find the missing digits in the following problems!

Adding and subtracting large numbers can sometimes be difficult. Estimating is an easy way to figure out if your answer is close, or if you need to try again.

Strengthen subtraction skills in just two minutes with this third-grade worksheet!

Practice subtracting three-digit numbers using compensation in this third-grade worksheet!

Master multi-digit subtraction with this informative third-grade math worksheet!