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

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

Use a sweet treat to help students do hands-on math! Students will practice their addition skills in this yummy activity.

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!

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