Students sketch base-ten blocks in this lesson that builds both number sense and fluency adding to 20!

Practice finding unknown numbers in addition equations using fun and silly word problems.

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Double dominoes! Get your students excited to add with dominoes and playing cards. This lesson is a fun way to help your students continue to learn to add.

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!