How does drawing a picture help us solve multi-digit multiplication? 368 x 7 =

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Presentation transcript:

How does drawing a picture help us solve multi-digit multiplication? 368 x 7 =

In this lesson, you will learn how to multiply a 3 digit number by a 1 digit number… by drawing an area model to organize your thinking.

Let’s Review 27 x 4 = x 20=4 x 7= x 20=80 4 x 7= x 27=108

Let’s Review 368 x 7 = 368 = Expanded Notation

A Common Mistake 300 x 7 =2,1003. Multiplication 60 x 7 = x 7=56 1. Addition 300 x 7 =2, x 7 = x 7= x 7 =

Core Lesson 368 x 7 = x 7 =2,10060 x 7 =4208x7=8x7= x 7 =2, x 7 = x 7 =2, x 7 =2,

Core Lesson 368 x 7 = x7=8x7= x 7 =2, x 7 =2,520 8 x 7 = x 7 =2,

Core Lesson 368 x 7 = , x 7 =2,520 8 x 7 = x 7 =2,

In this lesson, you have learned how to multiply a 3 digit number by a 1 digit number… by drawing an area model to organize your thinking.

Guided Practice x 6 =2, x 6 =3007x6=7x6= x 6 = 400 x 6 =2, x 6 =300 7x6=7x6=56 50 x 6 =300 7 x 6= x 6 =2, x 6 =2,756

Extension Activities ? ? + ? + ? 243 x 8 = Label the diagram below to solve the problem:

Extension Activities Label the diagram below, then write the number sentences in the areas for: ? ? + ? + ? 243 x 8 = ? x ? =?

Quick Quiz Which number sentence is not a way to name 275 ? 275 = A. 275 = B. 275 = C. 275 = D.

Quick Quiz Which diagram is not correctly naming: ? 275 x 3 = x 3 =825 70x3=2105x3=5x3=15 A x 3 =600 70x3=2105x3=5x3=15 B x 3 =810 5x3=5x3=15 C x 3 =600 75x3=225 D.