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Addition Relates to Multiplication Lesson

Addition Relates to Multiplication Lesson

Assessment

Presentation

•

Mathematics

•

3rd Grade

•

Easy

•
CCSS
1.NBT.A.1, 2.OA.C.4, 3.OA.A.1

+5

Standards-aligned

Created by

Sharlanda Grizzell

Used 74+ times

FREE Resource

7 Slides • 6 Questions

1

The Array Model

During this lesson, you will learn how to use the array model to solve multiplication.

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2

First, we have to learn what an array is!

An array is a set of numbers or objects placed in rows or columns to multiply or divide.

3

What is in array model?
  • Arrays are used to represent multiplication or division

  • The first factor shows how many rows

  • The second factor shows how many columns

  • Rows x columns = product

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4

Today, we are going to learn how we can use repeated addition to solve arrays!​

​We have learned repeated addition with equal groups!

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5

Multiple Choice

Question image

POP QUIZ: How many rows are shown on the array?

1

6 rows

2

2 rows

3

3 rows

4

8 rows

6

Multiple Choice

Question image

How many columns are shown in this array?

1

9

2

3

3

5

4

6

7

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8

The equation is the same if you count by rows or by columns!

3+3+3

There is one!
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9

Example of Array Model

How can I represent this array as a multiplication equation?

Remember: Rows x Columns

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10

Multiple Choice

Question image

How can I represent this array model as a multiplication equation?

1

6 + 6 = 12

2

3 x 4 = 12

3

6 + 3 = 9

4

6 x 2 = 12

11

Multiple Choice

Aaron says that he arranged his star collection with 4 rows and 3 stars on each row . Which array model fits the description?

1
2
3
4

12

Open Ended

Question image

Represent this array as a multiplication equation.

13

Multiple Choice

Which sentence is correct?

1

Rows go side to side, columns go side to side.

2

Rows go up and down, columns go up and down.

3

Rows go side to side, columns go up and down.

4

Rows go up and down, columns go side to side.

pattern-tertiary
The Array Model

During this lesson, you will learn how to use the array model to solve multiplication.

media

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