Exploring Equal Groups and Arrays in Multiplication

This video tutorial introduces multiplication as a method to find the total number of objects in equal groups. It explains the concept using arrays and practical examples like soda packs, balloons, tricycles, tires, cupcakes, and brownies. The tutorial emphasizes understanding multiplication through repeated addition and equal groups, providing strategies for independent practice.

What is the main purpose of multiplication?

• To subtract objects from a collection

• To find the total number of objects in a collection easily

• To add objects to a collection

• To divide objects into smaller groups

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CCSS.3.OA.A.1

If you have 3 groups of 2 stars each, how many stars do you have in total?

• 4 stars

• 5 stars

• 7 stars

• 6 stars

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CCSS.2.OA.C.4

How many groups of 6 sodas do you need to buy to get 30 sodas?

• 5 groups

• 3 groups

• 6 groups

• 4 groups

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CCSS.3.OA.A.3

If you have 3 groups of 4 balloons each, how many balloons do you have in total?

• 10 balloons

• 11 balloons

• 12 balloons

• 13 balloons

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CCSS.2.OA.C.4

How many tires are there in total if you have 4 tricycles, each with 3 tires?

• 12 tires

• 10 tires

• 13 tires

• 11 tires

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CCSS.3.OA.A.3

How many columns of cupcakes are there if you have 4 columns with 3 cupcakes each?

• 3 columns

• 5 columns

• 2 columns

• 4 columns

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CCSS.2.OA.C.4

If you have 3 rows of cupcakes with 4 cupcakes in each row, how many cupcakes do you have in total?

• 13 cupcakes

• 10 cupcakes

• 11 cupcakes

• 12 cupcakes

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CCSS.2.OA.C.4

How many brownies are there in total if you have 4 rows with 6 brownies each?

• 20 brownies

• 22 brownies

• 24 brownies

• 26 brownies

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CCSS.2.OA.C.4

What is the multiplication equation for 4 groups of 6 brownies each?

• 4 x 7 = 28

• 4 x 5 = 20

• 4 x 6 = 24

• 4 x 8 = 32

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CCSS.3.OA.A.1

What is the fastest way to find the total number of objects in equal groups?

• Multiplication

• Subtraction

• Division

• Addition

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CCSS.3.OA.A.1