Practice place value and addition and see where the two intersect with this hundreds chart that teaches how to add in groups of ten and one.

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

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.

Represent ones and tens with crayons in this fun worksheet.

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