Chapter 4 (1st Half) Review

4.1

100

Write the ratio of white counters to red counters.

5:3

200

Draw model of the ratio:

6:3

Six white counters to three red counters.

300

Write the ratio of red counters to white counters.

3:4

400

On the sixth-grade field trip, there are 8 students for every 1 adult. Complete the table to show the ratio of students to adults.

16, 3, 32

500

Frank is making a necklace that has 1 blue bead for every 6 white beads. How many white beads will he use if he uses 11 blue beads?

66 white beads

4.2

100

Write the ratio in two different ways:

8 to 16

8/16, 8:16

200

Write the ratio in two different ways:

7 to 9

7:9, 7/9

300

Write the ratio in two different ways:

2/13

2:13, 2 to 13

400

There are 24 baseball cards in 4 packs. Find the rate that gives the number of cards in 2 packs. Write this rate in three different ways.

12 cards to 2 packs, 12 cards/2 packs, 12 cards:2 packs

500

Lee places 4 photos on each page in a photo album. Find the rate that gives the number of photos on 2 pages. Write the rate in three different ways.

8 photos / 2 pages, 8 photos to 2 pages, 8 photos:2 pages

4.3

100

Write two equivalent ratios.

12/30

Possible answers:

2/5, 4/10

200

Write two equivalent ratios.

2/6

Possible answers:

1/3, 3/9

300

Determine whether the ratios are equivalent:

2/3 and 8/12

yes

400

Determine whether the ratios are equivalent:

3/14 and 8/28

no

500

A pancake recipe calls for 4 cups of flour and 3 cups of milk. Does a recipe calling for 2 cups flour and 1.5 cups milk use the same ratio of flour to milk?

Yes

4.4

100

Mitch scored 4 out of 5 on a quiz. Demetri scored 8 out of 10 on a quiz. Did Mitch and Demetri get equivalent scores?

Yes, 4/5 is equivalent to 8/10.

200

Lisa and Tim make necklaces. Lisa uses 5 red beads for every 3 yellow beads. Time uses 9 red beads for every 6 yellow beads. Is the ratio of red beads to yellow beads in Lisa's necklace to the ratio in Tim's necklace.

No, 5/3 is not equivalent to 9/6.

300

Mrs. Sahd distributes pencils and paper to students in the ratio of 2 pencils to 10 sheets of paper. Three of these ratios are equivalent to 2/10. Which one is NOT equivalent?

1/5    7/15    4/20   8/40

7/15

400

For every $10 that Julie makes, she saves $3. For every $15 Liam makes, he saves $6. Is Julie's ratio of money saved to money earned equivalent to Liam's ratio of money saved to money earned?

No, 3/10 = 6/20 and 6/20 is not equivalent to 6/15

500

The ratio of boys to girls in a school's soccer club is 3 to 5. The ratio of boys to girls in the school's chess club is 13 t0 15. Is the ratio of boys to girls in the soccer club equivalent to the ratio of boys to girls in the chess club? Explain. 

No, 3/5 = 9/15 ad 9/15 is not equivalent to 13/15.

4.5

100

3/6 = 15/?

30

200

10/? = 40/12

3

300

5/? = 55/110

10

400

Mavis walks 3 miles in 45 minutes. How many minutes will it take Mavis to walk 9 miles?

135 minutes

500

A 3-ounce serving of tune provides 21 grams of protein. Use equivalent ratios to find how many grams of protein are in 9 ounces of tuna.

63 grams of protein