Add within 20

Start math class with Mental Gymnastics! This activity can review math facts while promoting a quiet learning environment. Meant for grades 2 to 5, the download features 72 mental math problems and three skill levels. 

Solve 10 word problems with solutions up to 20.

Ten word problems with solutions within 20

Sixteen vertical addition problems with totals up to 20

Fifteen vertical addition problems. Add two numbers for totals under 20.

Four worksheets with word problems for adding within 20

Five “add within 20” word problems with personality