Fraction Rules
Multiplying Fractions
Mixed Numbers
Dividing Fractions
Surprise
100

What needs to be the same when you add and subtract fractions?

The denominator

100

2/3 * 4/5

8/15

100

1 1/2 * 5

15/2 or 7 1/2

100

What is the reciprocal of 

11/8

8/11

100
What are the steps for multiplying fractions?

Multiply straight across (multiply numerators and multiply denominators)

200

How do we change a whole number into a fraction?

Put a 1 in the denominator, or put it over 1.

200

3/5 * 7/8

21/40

200

5/6 * 1 1/3

10/9 or 1 1/9

200

3/8 -: 2/3

9/16

200

Find the reciprocal of 14

1/14

300

3 word phrase to help us with dividing fractions.

Keep - Change - Flip

300

4 * 7/8

7/2 or 3 1/2

300

4 1/2 -: 9

1/2

300

6 -: 5/8

48/5 or 9 3/5

300

Whats Mrs. Kersey favorite drink?

Red Bull or Pepsi!

400

When dividing fractions, you are changing into ______________________  fractions?

multiplying

400
It took Jason 2  5/6 hours to drive to the beach. It took Mary twice as long. How long did it take Mary to drive to the beach?

17/3 or 5 2/3

400

Joe has 7 1/2 gallons of paint. He plans on using 1 1/2 gallons in each room. How many rooms is he able to paint?

5/1 or 5 rooms

400

1/2 -: 5/8

4/5

400

TRUE or FALSE: You should use KEEP, SWITCH, FLIP when multiplying fractions.

FALSE, only when dividing fractions

500

What should you do first to mixed numbers when multiplying or dividing fractions?

Convert them to improper fractions.

Change them to improper fractions.

Make them improper fractionns.

500

2/9 * 3/8

1/12

500

2 2/3 * 5 1/4

14

500

3/8 -: 7/12

9/14

500

What is Mrs. Kersey's favorite ice cream flavor?

Vanilla 

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