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.

Help your students use multiplication to support their conceptual understanding of division. Use this lesson alone or as a pre-lesson for Division: Solving for Unknown Factors.

You won't strike out with this lesson on finding the theme of a script. Use this lesson to help your students identify the elements of a script and find the theme.

In this lesson, students will explore the characteristics of arrays and find out why they are important. Use this lesson independently or alongside Come Array With Us!

Teach your students how to reflect upon the information in multiplication and division word problems before solving them. Use this lesson on its own or as a pre-lesson to Stepping Through Multiplication and Division Word Problems.

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

This lesson focuses on facilitating a rich classroom discussion around the purpose and methods of rounding numbers up to the thousands place. It can be taught on its own or as support to the lesson Rounding with Number Lines.