Overview
Printables
Interactive
Video
Class Playground printables are free to share, download, and print (with attribution and without alteration).

Printable Addition Within 100 With Regrouping Worksheet
Print an addition within 100 with regrouping worksheet.

Interactive Missing Addend
Choose missing addend to complete the equation and build algebraic thinking.

Interactive Mission Addition
Stop meteors by solving addition problems before the meteors hit the spaceship.

Interactive Math Mine Addition Subtraction
Dig into the mine cube by solving addition and subtraction equations.