Ratios and Proportions | 1K plays

1.

Multiple Choice

45 sec

1 pt

What is a Ratio?

Is a comparison of two quantities

To multiply two fractions

A number over another number

Two decimals that can be multiplied

2.

Multiple Choice

15 mins

1 pt

Which of these ratios is equivalent to 3:4?

12:9

9:20

9:12

803:804

3.

Multiple Choice

15 mins

1 pt

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

2 to 5

5 to 3

3 to 5

5 to 2

4.

Multiple Choice

15 mins

1 pt

Charlie Browns Christmas tree is 18 inches tall. The Christmas tree at Mr.Bass' house is 8 ft tall. What is the ratio of Charlie Browns tree to Mr. Bass' Tree?

18/8

8/18

3/16

16/3

5.

Multiple Choice

15 mins

1 pt

Write the ratio of the first measurement to the second measurement.

Length of a classroom: 18 ft 4 in
Length of a closet: 48 in

55/12

12/55

9/2

2/9

6.

Multiple Choice

15 mins

1 pt

Write the ratio of the first measurement to the second measurement.

Length of the school bus: 9 yd
Length of an SUV: 12 ft

9/4

4/9

3/4

4/3

7.

Multiple Choice

30 sec

1 pt

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

12:18

3:2

30:18

18:7

8.

Multiple Choice

15 mins

1 pt

There are 80 students in Mr. Bass’ classes. The ratio of boys to girls is 2 : 3.
How many boys are in the classes?
How many girls?

Boys: 32
Girls: 48

Boys: 48
Girls: 32

Boys: 5
Girls: 15

Boys: 15
Girls: 5

9.

Multiple Choice

15 mins

1 pt

Solve for x
20/5 = x/25

x=100

x=4

x=120

x=5

10.

Multiple Choice

15 mins

1 pt

Solve for n
12/6 = 4/n

n=4

n=2

n=3

n=6

11.

Multiple Choice

45 sec

1 pt

Solve for x

x=1

x=3

x=3/5

x=2

12.

Multiple Choice

15 mins

1 pt

Solve for x

x=6.5

x=8

x=4

x=5.5

13.

Multiple Choice

15 mins

1 pt

The ratio of cars to trucks in the parking lot is 3:5. If there are 360 vehicles in the parking lot, how may are trucks?

x = 270 cars

x = 225 cars

x = 225 trucks

x = 270 trucks

14.

Multiple Choice

15 mins

1 pt

Solve the proportion:

4

8

14

10

15.

Multiple Choice

15 mins

1 pt

Solve the proportion.

k=5

k=3.3333333

k=60

k=90

16.

Multiple Choice

15 mins

1 pt

The ratio of pass to fail in PE class is 5:1. If there are 90 students in PE, how many are passing?

75 students are passing

75 are failing

15 students are passing

15 students are failing

17.

Multiple Choice

15 mins

1 pt

The extended ratio of the sides of a triangle are 2:4:7. Find the length of the shortest side if the perimeter is 117 inches.

18 inches

9 inches

36 inches

63 inches

18.

Multiple Choice

15 mins

1 pt

The angles of a triangle are in an extended ratio of 5:7:3. What is the measure of the largest angle?

84^o

12^o

60^o

36^o

19.

Multiple Choice

15 mins

1 pt

Two numbers are in the ratio 7 : 9. If the sum of the numbers is 112, then the larger number is

49

72

63

42

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