Use this simple sheet to help students decompose teen numbers into a group of ten and ones. It can be used as is or with a sheet protector for repeated practice with different teen numbers. You can have students pick a teen number from a set of teen number cards or have them choose. You can have children color the boxes on the ten frames or use playdough or other manipulatives, like mini erasers, buttons, or stickers, to make it more hands on. There are many possibilities!

It can also be used as a great assessment tool.