Fraction x Fraction
Fraction x Whole Number
Mixed Number Multiplication
Problem Solving
100

15

5/9 of her classmates have dogs

100

1

2 5/8

100

6

B and C

200

9a

3/5 of the girls have long brown hair.  

200

5

12 purple balloons

200

13

Conrad: 11 2/3

Giovanni: 12 2/3

Sally: 7 1/6

200

4 all

a: 5

b: 2

c:6

d: 2/5

300

9b

1/5 of the girls have long brown hair and green eyes.  First, I found out how many girls had long brown hair by multiplying 4/5 x 3/4 to find that 3/5 of the girls have long brown hair.  Then, I multiplied 3/5 x 1/3 to find that 1/5 of the girls have long brown hair and green eyes.  

300

16a

6 x 1/8

300

10 (no model required)

20 11/32 square yards

300

2(all)

a: false

b: true

c: true

d: false

400
7

Product is equal to 4/5: 8/8 x 4/5 and 4/5 x 2/2

Product is greater than 4/5: 4/5 x 1 1/8 and 3 x 4/5

Product is less than 4/5: 4/5 x 4/5 and 1/3 x 4/5

400

12 a and b

a: 18

b: 8

400

14a

Show your model

400

8

A, C, and E

500

11 a, b, and c

a: Yes

b: Yes

c: No

500

16c

No, Robbie does not have enough black pepper for six batches. Robbie needs to multiply 6 batches x 1/8 teaspoon of pepper for each batch, which equals 3/4 teaspoon of pepper in all.  Since 2/3 is less than 3/4, Robbie does not have enough.  

500

14b

The area of the quilt is 22 square feet.  There are 8 rows and 11 columns of squares for a total of 88 squares.  Each square has an area of 1/2 x 1/2 = 1/4 square foot.  To find the total area, I multiplied 1/4 x 88 = 22.

500

3

36 feet

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