Fractions

pink

100

1/2  X  1/2  =

1/4

200

1/2 × 9 = ?

4 1/2

300

What is the first or second step in multiplying fractions?

Denominator times Denominator or numerator times numerator.

400

2/3 × 6 = ?

12/3 = 4

500

4/5  X  3/4 =

3/5

blue

100

What is 6/12 simplified?

1/2

200

What is 2/10 simplified?

1/5

300

What is 3/12 simplified?

1/4

400

What is 10/100 simplified?

1/10

500

What is 2/100 simplified?

1/50

red

100

14 x 1/6 = ?

14/6 = 2 2/6 = 2 1/3

200

3 x 3/4 = ?

9/4 = 2 1/4

300

5/12 x 4 = ?

20/12 = 1 8/12 = 1 2/3

400

Jody has a 5-pound bag of potatoes. She uses 4/5 of the bag to make potato salad. How many pounds of potatoes does Jody use for the potato salad?

5 x 4/5 = 20/5 = 4 pounds

500

Lucas lives 5/8 miles from school. Kenny lives twice as far as Lucas from school. How many miles does Kenny live from school?

5/8 x 2 = 10/8 = 1 2/10 = 1 1/5 miles 

green

100

1/3 X  1/3 =?

1/9

200

3/6 X 3/12 = ?

1/8

300

 8/12 X 4/32 = ?

1/12

400

What do you do when your Multiplying fractions with different denominators?

Multiply straight across.

500

 1/4 X   6/12?

1/8

orange

100

What is the model that represents this fraction multiplication problem?

4/5  of  30

X X X X X X

X X X X X X

X X X X X X

X X X X X X

X X X X X X

200

What is the model that represents this fraction multiplication problem?

1/3  of  27

X X X X X X X X X

X X X X X X X X X

X X X X X X X X X

300

What is the model that represents this fraction multiplication problem?

3/5 of 25 =

X X X X X

X X X X X

X X X X X

X X X X X

X X X X X

400

What is the model that represents this fraction multiplication problem? 

1/4 of 16 =

X X X X

X X X X

X X X X

X X X X

500

How many rows should be circled in this model?

2/3 of 9

X X X

X X X

X X X 

2