Estimate the sum in each of these math problems. Challenge your child to round to the nearest hundred first, then add the two rounded numbers.

In this Halloween-themed math worksheet, students will look at existing game boards and add one and two-digit numbers as they try to determine who got the pumpkin in the pumpkin race game.

How many shells did Sally sell by the seashore? Get your student in gear for math with this addition worksheet.

Your child will develop the skills necessary to recognize patterns by completing inverse operations as well make a connection between addition and subtraction.

In this dessert-themed math worksheet, learners look at existing game boards and practice addition as they try to determine who won the Cookie Race Game.

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

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

Children learn a valuable strategy for conceptualizing and solving word problems in this two-digit addition worksheet.

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

Represent ones and tens with crayons in this fun worksheet.

Represent tens and ones with crayons in this fun worksheet.

This colorful worksheet allows you to combine your second grader's love of art with at-home addition practice with adding double-digits!

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

Use a visual model to solve these two-digit addition problems!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Master two-digit addition with these hundred chart problems!

Use this Arctic-themed resource with your students to practice multi-step word problems with mixed operations.

By breaking down numbers, your third graders will learn to do fast addition!

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

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

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

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Practice addition within 100 using open number lines with this first-grade math worksheet!

Use open number lines to practice addition within 100 with this colorful math worksheet!

Get more practice adding multiples of 10 on an open number line with this vibrant worksheet!

Get more practice adding multiples of 10 on an open number line with this colorful worksheet!

Students use open number lines to help them write addition equations in this first-grade practice worksheet!

After kids solve the two-digit addition and subtraction problems on this second grade math worksheet, they use the key to color in the shapes on the mosaic.

This second grade math worksheet works in two parts: children solve the addition problems using carrying, then color the aliens adorning the page.