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

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

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

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!

Represent ones and tens with crayons in this fun worksheet.

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

Use this worksheet to practice describing an array with repeated addition. Kids will practice writing number sentences for arrays before applying their knowledge to array word problems.