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!

Use the mat to give students extra practice composing a 10 as they learn to add to 20.

Kids practice adding numbers with sums up to 20 and writing the sums on this fruit-themed first grade math worksheet.

Learn a new addition strategy in this essential worksheet!

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

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

Regroup ones into tens to add in this engaging first-grade worksheet!

Children are introduced to a new way to add with this base 10 rods worksheet.

Tackle ten frames with confidence in this helpful addition worksheet!

Master addition with ten frames in this colorful worksheet!

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