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Showing Results for composing decomposing

Why make things harder on ourselves? Teach your students to decompose numbers to make math easier! Use this as a stand alone lesson or a pre-lesson for *Decompose to Multiply: 6, 7, 8, and 9.*

Decomposing Numbers

Are your students hooking their readers? Use this creative and imaginative writing exercise that will bring student beginnings to life.

Let's Hook 'Em!

Teach your students to use an area model to solve multiplication problems with a two-digit factor.

Multiplication with Area Models

Opinion writers need to establish credibility so that their audience will value their opinion. In this lesson, your students learn how to establish themselves as authorities on their chosen writing topics.

Opinion Writing: Brainstorming to Establish Credibility

Looking for a fun way to reinforce multiplication and area finding skills? This hands-on lesson gives students a chance to create their own multiplication equations by making rectangular models.


Finding Area

Teach your students to decompose factors as a strategy to find multiples of 6, 7, 8, and 9. This lesson supports flexible thinking and number sense.  

Decompose to Multiply: 6, 7, 8, and 9

Help your students subtract with confidence by sharing two different strategies. Use this lesson to build on students’ understanding of subtraction and to evaluate this key skill.

Subtraction with Regrouping

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Addition with Regrouping

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