Exploring Multiplication as Repeated Addition

The video tutorial covers multiplication as repeated addition, using examples to illustrate the concept. It explores problems involving both positive and negative numbers, demonstrating how to express these problems using multiplication. The tutorial introduces integer tiles as a visual aid to understand multiplication with negative numbers, and provides practice problems to reinforce the concepts learned.

What is the result of adding 6 four times?

• 18

• 26

• 24

• 20

Tags

CCSS.3.OA.A.3

How can you write 6 + 6 + 6 + 6 using multiplication?

• 6 x 4

• 4 x 6

• 6 x 6

• Both B and C

Tags

CCSS.3.OA.A.1

If you move back -3 five times starting from zero, where do you end up?

• -18

• -9

• -15

• -12

Tags

CCSS.7.NS.A.1B

What does 5 times -3 equal?

• -15

• -10

• -20

• -8

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How many groups of 3 positive tiles are there in Chad's representation of 2 times 3?

• 1

• 2

• 4

• 3

Tags

CCSS.4.NBT.B.5

What is the total number of positive tiles in Chad's representation of 2 times 3?

• 7

• 4

• 6

• 5

Tags

CCSS.4.NBT.B.5

How many groups are needed to represent 5 times -3 using integer tiles?

• 2

• 3

• 4

• 5

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the total number of negative tiles in the representation of 5 times -3?

• -10

• -12

• -18

• -15

Tags

CCSS.7.NS.A.2A

How many groups of -2 are needed to illustrate 4 times -2?

• 5

• 4

• 3

• 2

Tags

CCSS.7.NS.A.2A

What is the total number of negative tiles in the representation of 4 times -2?

• -12

• -10

• -8

• -6

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B