Multiplying
Dividing
Rules
100
1/2 x 2/5 =
What is

2/10 or 1/5

100
1/5 divided by 1/10=
What is

2

100
What is the rhyme for multiplying fractions??
What is

"Multiplying fractions is not big problem. Top times top over bottom times bottom."

200
7/10 x 3=
What is

21/10 or 2 & 1/10

200

3/4 divided by 1/16=

What is

12

200
What is the rhyme for dividing fractions?
What is

"Dividing fractions is easy as pie! Just flip the second and multiply!"

300
1/16 x 4=
What is

4/16 or 1/4

300
4 divided by 1/4=
What is

16

300
What are the rules for multiplying fractions?

1) multiply top time top

2) multiply bottom time bottom

3) simplify the fraction

400
1/3 x 9/16=
What is

9/48 or 3/16

400
6 divided by 1/2=
What is

12

400
What are the rules for dividing fractions?

1) flip the second fraction

2) multiply top time top

3) multiply bottom times bottom

4) simplify the fraction

500
2/3 x 5=
What is

10/3 or 3 & 1/3

500
2/3 divided by 4/5=
What is

10/12 or 5/6

500
Double Problem:

1) What does "how many groups of" mean? Multiply or divide?

2) What does "1/2 of 2/5" mean? Multiply or divide?

1) Divide

2) Multiply

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