It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Not only does this worksheet bolster kids' addition skills, it's a great mental math exercise, too.

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Practice addition within 10 with this Halloween math workheet!

This word problem worksheet will help your child learn how to solve math problems by measuring values on a number line.

Measure your way to the right answer by using this handy number line to solve word problems about adding length.

Help students get a grasp on mentally adding or subtracting 10 from a multiple of 10 with this fun BINGO game!

This worksheet teaches you to use base 10 drawings to add two-digit numbers.

Your kid will love using number lines to solve pesky multiple-step subtraction word problems. Learn how with this worksheet!

Invite your child to imagine that he is a car moving along a number line. Use this math worksheet to help your 2nd grader identify numbers, add, and subtract.

This addition worksheet teaches your kid one way to solve multiple-step word problems by using a number line.

In this worksheet, learn how to add the tens first when using a hundreds chart.

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

One way to find the missing number in an equation is to use a number line. Your kid will do just that in this set of addition problems.

In this worksheet, kids take turns rolling dice, practicing addition, and writing in numbers.

Can your kid solve these multiple-step word problems by using a number line? Let her take a crack at it and see how well she does!

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Use this glossary with the EL Support Lesson Plan: Mental Math Bingo with Multiples of 10.

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

Continue exploring properties of operations while writing addition equations in this second-grade math worksheet!

Count like a champ! Your kid will find missing numbers in no time when he learns how to use a number line. Now get searching!

Represent tens and ones with crayons in this fun worksheet.

This worksheet shows your child how to use thermometers like numbers lines in order to solve addition and subtraction word problems about temperature.

Introduce this graphic organizer as a way to help students think about whether or not certain rules or characteristics apply to mathematical ideas always, sometimes, or never.

Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.