Ch. 6 Pre Test

1.

1 point

What is the least common denominator of 2/3 and 5/8 ?

10

11

18

24

2.

1 point

Larry wrote this expression to show the total number of hours he spent driving during the last three weeks.
(5 2/5+7 4/10) + 9 1/10
Which shows another way to write the expression using the Associative Property of Addition?

Not this one 8 2/5 + (7 4/10 + 9 1/10)

5 2/5 + (9 1/10 + 7 4/10)

(7 4/10 + 9 1/10) + 6 2/5

(5+ 9 + 4) + (2/5 + 4/10 + 1/10)

3.

1 point

Using Benchmarks: I walked 8/10 of a mile on Sunday and 4/10 mile on Monday. Estimate how far I walked altogether.

2 miles

1 1/2 miles

1 mile

3 1/2 miles

4.

1 point

Mike bought 3 3/4 pounds of apples at the farmers' market. Mark bought 2 1/8 pounds of apples. How many apples did Mike and Mark buy in all?

5 1/8

5 1/3

5 7/8

6 1/4

5.

1 point

Olaf jogged 3/5 mile on Monday and 2/6 mile on Tuesday. How much farther did Olaf jog on Monday than on Tuesday?

1/30

4/15

3/15

14/15

6.

1 point

Best Estimate: 3 7/12 hours + 2 5/6 hours.

7 hours

7 1/2 hours

6 hours

6 1/2 hours

7.

1 point

It takes April 7 1/3 hours to drive to her grandparents' house. So far she has driven 3 5/6 hours. How many more hours does April need to drive?

3 1/4 hours

3 1/2 hours

4 1/3 hours

4 hours

8.

1 point

Dexter rode his bike 9/10 mile from his house to the store. Then he rode 4/10 mile to his uncles house. Use benchmarks to estimate how far he rode his bike altogether.

about 1/2 mile

about 1 1/2 miles

about 1 mile

about 2 miles

9.

1 point

Gale walked 5/8 mile to his friend's house. Then together they walked 7/12 mile to a movie theater. Which pair of fractions can Gale use to find how far he walked in all?

60/96 and 84/96

10/24 and 14/24

15/24 and 21/24

15/24 and 14/24

10.

1 point

I had 5/8 pounds of strawberries. I used 4/16 pound of strawberries to make smoothies. How many pounds of strawberries do I have now?

4/5 pound

3/8 pound

5/8 pound

3/5 pound

11.

1 point

Molly bought 7/8 pound of grapes and 5/16 pound of cranberries. What is the least common denominator of the fractions?

16

24

128

14

12.

1 point

It takes 2 1/4 cups of flour to make recipe 1, 3 cups of flour to make recipe 2, and 1 2/3 cups of flour to make recipe 3. How much more flour is used in recipe 1 than in recipe 3

1 1/3 cups

1/4 cups

1/2 cups

7/12 cups

13.

1 point

Best Estimate: 3 7/8 yards - 1 1/3 yards.

2 1/2 yards

5 yards

5 1/2 yards

2 yards

14.

1 point

Gabrielle paints flower pots to sell at the craft fair. She paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. What fraction of the pot is painted either teal or yellow?

3/20

13/20

3/5

3/4