Ch. 7 Study Guide "Multiplying Fractons"

1.

1 point

I bought 36 CD's. 1/6 are country. How many are country CD's?

2

8

6

5

2.

1 point

Mike did a survey and found out that 4/5 of his classmates have a pet and 4/7 of those pets are dogs. What fraction of her classmates has dogs?

1/6

2/3

16/35

1/2

3.

1 point

What do you call the bottom number in a fraction?

numerator

denominator

4.

1 point

I bought 18 bagels at the store. 2/3 were wholegrain bagels. How many were wholegrain?

12

5

3

1

5.

1 point

I need 3/4 cup of orange juice for a fruit punch recipe. I will double my recipe to make punch for a party. Which statement is true?

I will use the same amount of orange juice

I will use less orange juice

I will use more orange juice

I will use 3/4 as much orange juice

6.

1 point

It takes 1/8 teaspoon of black pepper to make one batch of chicken soup. How much ground pepper will I need to make 12 batches?

2/3 teaspoon

1 1/4 teaspoon

1 1/2 teaspoon

12 1/8 teaspoon

7.

1 point

Which of the four statements are true.

9/10 x 1/2 is less than 9/10

2/3 x 3 is greater than 3

5/8 x 5/8 is equal to 5/8

1/3 x 3 is less than 1/3

8.

1 point

Convert 2 3/5 into an improper fraction.

5/13

13/5

11/5

none of the above

9.

1 point

Is 5/8 x 3 the same, more, or less than 5/8

same

more

less

10.

1 point

I have 24 counters. If I wanted to shade in 1/4 of them. How many would I shade in?

12

6

21

24

11.

1 point

I rode the bus 7 4/5 miles each day. What is the total number of miles I would ride in 15 days?

117 miles

168 4/5 miles

29 4/5 miles

12 1/5 miles

12.

1 point

Of the trees on a farm, 4/5 are apple trees. Of the apple trees, 2/3 produce red apples. What fraction of the trees produce red apples?

1/8

5/7

3/4

8/15

13.

1 point

I bought a gas can with 5 1/4 gallons of gas in it. I only used 1/4 of the amount in the can to mow my lawn. How many gallons of gas did I use to mow the lawn?

1 5/16 gallons

1 1/2 gallons

3 1/12 gallons

4 gallons

14.

1 point

I have 48 coins on my desk. I gave 1/3 of them to a friend. How many did I give him?

77

5

18

16

15.

1 point

Steve is making a bowl of punch. The recipe calls for 2 1/4 cups of sherbet. If he uses 1 2/3 of that amount, will he be using more than, less than, or the same amount of sherbet?

less

more

same

16.

1 point

I made 15 1/3 cups of snack mix for a party. The guests ate 1/5 of the mix. How much snack mix did the guests eat?

3 cups

5 1/6 cups

4 2/3 cups

3 1/15

17.

1 point

What do you call the top number in a fraction?

numerator

denominator

neither

18.

1 point

I built a swimming pool that had an area of 540 square yards. The length is 1 2/3 times the amount of the width. Which of the following could be the dimensions of the pool?

15 yards by 36 yards

18 yards by 30 yards

20 yards by 27 yards

none of the above

19.

1 point

I worked 5 1/4 hours on my math project. Sue worked 1 1/2 times as long as I did. How many hours did Sue work?

5 3/8 hours

6 1/3 hours

7 1/4 hours

7 7/8 hours

20.

1 point

Simplify 13/39

1/2

1/3

1/4

1/5

21.

1 point

Mark wants to tile the floor of the kitchen with square tiles that are 1/2 foot long. Will he use more or fewer tiles if he uses square tiles that are 1/3 foot long?

less

more

the same