Students will learn out how to partition a rectangle using by partitioning shapes with rows and columns.

Dive deep into using base-ten blocks to solve two-digit subtraction problems with regrouping. This lesson can be used independently or in conjuction with the lesson Double Trouble: Subtraction Practice.

With this activity, students will identify shapes, build 3-D shapes, and practice describing shapes with a partner.

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