Freshen up your understanding of multi-step word problems! Use this lesson to help students use problem-solving thought processes to solve multi-step word problems.

How well do your students know decimals? In this lesson, introduce your students to decimal multiplication using models.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

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.

Getting ready to add fractions? This lesson reviews how to add fractions with unlike denominators using number lines. Students will focus on understanding the process and reasoning behind each step.