Children practice writing numbers from expanded forms, and expanded forms from numbers.

Two-digit addition got your second grader down? Liven up math practice with this extraordinary worksheet.

Here's a helpful way to teach multiplication to a beginner. Show your child how an addition problem is similar to a multiplication problem.

Test your child's strength in double-digit subtraction and addition with this ninja worksheet. Challenge his abilities with these tricky word problems!

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

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

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

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.

Put your addition skills to the test with these puzzle boxes for second and third graders! 

Solve spooky equations with this Halloween word problems sheet! Your child will be honing his reading as he works on simple addition and subtraction problems.

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

Lay the foundation for multiplication by introducing your second graders to the concept of arrays. You can use this worksheet as a scavenger hunt, center activity, or an opportunity to engage students in individual learning!

The partial sums method uses place value to help organize multi-digit math problems. Help your child master this strategy with a few practice problems.

Don't get spooked out by math! These Halloween word problems bring some scary fun to your math exercises.

Groups of ten make addition a breeze! Use this nifty worksheet to learn about the "circle ten" shortcut.

Is addition with regrouping giving your child trouble? Addition problems are fun to solve in this monster-filled worksheet that doubles as a coloring page!

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

Use these vocabulary cards with the EL Support Lesson Plan: What Are Arrays?

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

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

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

Children develop their logic and reasoning skills as they answer a series of five word problems in this math worksheet.

Add a fun twist to math practice with these second- and third-grade addition puzzles!

Help the rafflers add up the donations by completing word problems using three-digit addition.

Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

Use this handy graphic organizer to help students figure out how many parts make up a whole. Then they'll write out their answers using a helpful number words word bank.

Decode the secret message Ninja Aki has sent you! He writes his messages in addition and subtraction problems. Solve and unravel his secret ninja message!

Addition will probably be the most basic and most constant use of math for any kid or adult. This worksheet will give your child lots of practice with it.

This colorful math worksheet will get your second grader practicing double-digit addition--with carrying!