Repeated Addition and Multiplication with Arrays

Arrays and Repeated Addition

Created By: Jessica Cagno

Due: August 21, 2022​

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

​Objective: Students will be able to choose two repeated addition equations to solve an array.

Standard: 3.OA.A.3 Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

​We have learned repeated addition with equal groups!

First, we have to learn what an array is!

Some text here about the topic of discussion

​An array is a set that shows equal groups in rows and columns.

​Scan the QR code or click the link to view a thinglink to help us understand what that means!

​https://www.thinglink.com/scene/1618020919798661121

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Multiple Choice

Which sentence is correct?

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

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

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

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

Edpuzzle

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Multiple Choice

Trick Question!

How many repeated addition equations are there for this equation?

• 0

• 1

• 2

• 4

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

3+3+3

There is one!

Array Check-In! Leave your response on the Padlet.

​https://padlet.com/cagnoj4/e03ololo0lyn2hjc

​Remember, this is day 1! It's ok to not feel like an expert just yet!