Proportions and Ratios Challenge

What is the equivalent ratio of 2:3?

• 5:7

• 4:6, 6:9, 8:12, etc.

• 1:2

• 3:5

If 4:5 is equivalent to x:15, what is x?

• 12

• 8

• 10

• 14

Calculate the scale factor if the original length is 10 cm and the new length is 25 cm.

• 2.0

• 1.5

• 2.5

• 3.0

Are the ratios 6:8 and 3:4 equivalent?

• No, the ratios 6:8 and 3:4 are not equivalent.

• Yes, the ratios 6:8 and 3:4 are different.

• Yes, the ratios 6:8 and 3:4 are equivalent.

• No, the ratios 6:8 and 3:4 are unequal.

If a recipe calls for 2 cups of flour and you want to make half, how much flour do you need?

• 1.5 cups

• 1 cup

• 2 cups

• 3 cups

Find the scale factor if a model is 1/4 the size of the actual object.

• 1/4

• 1/5

• 1/3

• 1/2

If 12:16 is equivalent to x:20, what is x?

• 18

• 14

• 12

• 15

What is the equivalent ratio of 5:7?

• 5:10

• 15:21

• 10:14

• 20:28

If a map scale is 1:1000, how many meters does 5 cm represent?

• 25 meters

• 100 meters

• 50 meters

• 75 meters

If 3:4 = x:12, what is the value of x?

• 9

• 12

• 6

• 15