Help students visualize the missing addend in an addition problem with this fun game. Use this scaffolded EL lesson alone or for more practice before teaching the Mystery Addends: Representing Word Problems lesson.

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

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

This nifty lesson helps kinesthetic learners reinforce their knowledge of the commutative property. Students will love the challenge of matching equations with their fact families.