Each ten frame has ten boxes. Some boxes have red chips and others don't. If the top half of the ten frame is filled with red chips, how many are left? 10-5=5.

Help your little one practice her adding subtracting skills with this game of ten frames! Each ten frame has a set of ten boxes.

Add numbers within 20 using ten frames with this first-grade math worksheet!

Practice finding missing numbers while adding within 20 using ten frames!

Practice addition under 20 with visual models in this useful math worksheet!

Build up your addition skills in this model-making addition worksheet!

Learn a new addition strategy in this essential worksheet!

Learn a new addition strategy using ten frames in this first-grade math worksheet!