Children practice addition within 20 in this fall-themed math worksheet.

Children practice addition within 20 in this fall-themed math worksheet.

Children practice addition within 20 in this fall-themed math worksheet.

Children practice addition within 20 in this fall-themed math worksheet.

Children practice addition within 20 in this fall-themed math worksheet.

Count and add the Halloween pictures in this simple addition worksheet!

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

Count and add the Halloween pictures in this simple addition worksheet!

Count and add the Halloween pictures in this simple addition worksheet!

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Don’t be spooked by spiders or number bonds in this friendly math worksheet!

Learn about the commutative property with this beach-themed worksheet!

Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!

The fun quickly adds up with this winter-themed addition activity page for first graders!