Children practice writing numbers from expanded forms, and expanded forms from numbers.

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Practice multi-digit addition with this hundred chart worksheet for second graders! 

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Use this visual model to practice adding 10 to two-digit numbers!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.