Multiplying Fractions

Whole Numbers

100

2 x 3/4

6/4

200

7 x 4/5

28/5

300

1 x 1/2

1/2

400

6 x 2/8

12/8

500

12 x 1/12

12/12 or 1

Multiplying Fractions

100

1/2 x 3/4

3/8

200

2/5 x 3/6

6/30

300

4/7 x 2/3

8/21

400

7/8 x 1/3

7/24

500

5/7 x 3/4

15/28

Using Models

100

1/2 x 1/4

1/8 with model

200

2/3 x 1/3

2/9 with model

300

3/4 x 1/5

3/20 with model

400

2/3 x 3/4

6/12

500

5/6 x 3/4

15/24

Multiply Mixed Numbers

100

1 and 1/2  x 2 and 2/3

3/2 x 8/3 = 24/6

200

1 and 1/4 x 1 and 1/2

5/4 x 3/2 = 15/8

300

2 and 1/3 x 1 and 1/3

7/3 x 4/3 = 28/9

400

2 and 3/4 x 2 and 5/6

11/4 x 17/6 = 187/24

500

3 and 5/6 x 2 and 3/4

23/6 x 11/4 = 253/24

Comparing Factors and Products

100

4 x 1/2 = bigger, smaller or the same?

smaller

200

2 x 3/2 = bigger, smaller or the same?

bigger

300

24 x 7/7 = bigger, smaller or the same?

the same

400

1,042 x 4/5 = bigger, smaller or the same?

smaller

500

6,054,321 x 421/410 = bigger, smaller or the same?

bigger