Relating Multiplication and Division for 3rd Graders

The video tutorial explains how to understand division as a multiplication problem. It uses examples like 50 divided by 5 and 50 divided by 10 to illustrate the concept. The tutorial also covers how to solve division problems with unknowns by thinking of them as multiplication problems, using examples such as blank divided by 2 equals 9 and 12 divided by blank equals 3. The video emphasizes the relationship between division and multiplication, helping viewers grasp the concept through practical examples.

If someone asks you what 50 divided by 5 is, how can you think of it as a multiplication problem?

• What times 2 equals 50?

• What times 10 equals 50?

• What times 5 equals 10?

• What times 5 equals 50?

Tags

CCSS.4.NBT.B.6

What is 50 divided by 5?

• 10

• 15

• 5

• 20

Tags

CCSS.4.NBT.B.6

If 50 divided by 5 is 10, what is 10 times 5?

• 55

• 40

• 45

• 50

Tags

CCSS.4.NBT.B.6

What is 50 divided by 10?

• 2

• 3

• 4

• 5

Tags

CCSS.4.NBT.B.6

How do you know that 50 divided by 10 is 5?

• Because 10 times 5 is 50

• Because 5 times 5 is 50

• Because 10 times 10 is 50

• Because 5 times 10 is 50

Tags

CCSS.4.NBT.B.6

If someone says blank divided by 2 is 9, what is blank?

• 16

• 17

• 18

• 19

Tags

CCSS.3.OA.B.6

What is 18 divided by 2?

• 10

• 9

• 8

• 7

Tags

CCSS.4.NBT.B.6

How do 18, 2, and 9 relate to each other?

• Two nines is 18

• Nine twos is 18

• 18 divided by 2 is 9

• All of the above

Tags

CCSS.4.NBT.B.6

If 12 divided by blank is 3, what is blank?

• 4

• 3

• 5

• 2

Tags

CCSS.3.OA.A.4

What is 12 divided by 4?

• 3

• 2

• 4

• 5

Tags

CCSS.3.OA.B.6