Equivalent Ratios Quiz

What is a ratio?

• A unit of measurement

• A mathematical operation

• A type of fraction

• A comparison of two numbers or items

How do you reduce the ratio 8:10 to its lowest terms?

• Divide both terms by 2

• Subtract 2 from both terms

• Multiply both terms by 2

• Divide both terms by 4

In a ratio, what are the extremes?

• The first and last terms

• The middle terms

• The terms with the highest values

• The terms with the lowest values

Are the ratios 64:12 and 80:15 equal?

• Yes, they are equal

• No, they are not equal

• They are equal only when simplified

• They cannot be compared

What is the missing number in the ratio 7:24 = ?:56?

• 3

• 6

• 4

• 5

If two numbers are in the ratio 2:3 and the larger number is 6, what is the smaller number?

• 4

• 3

• 5

• 2

What number compared with 8 is the same as 6 compared with 24?

• 3

• 4

• 1

• 2

How many red roses are there if there are 3 blue roses, given the ratio 18:6?

• 9

• 6

• 15

• 12

In a group with a ratio of 7 children to 2 adults, how many adults are there if there are 21 children?

• 5

• 6

• 4

• 3

If two numbers are in the ratio 3:5 and their difference is 12, what are the numbers?

• 12 and 20

• 21 and 33

• 15 and 27

• 18 and 30