Ratio and Rates Quiz

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts?

• 4 tablets

• 5 tablets

• 6 tablets

• 8 tablets

Find the missing value(s) for the ratio table.

• a = 36

  b = 108

• a = 108

  b = 36

• a = 32

  b = 90

• a = 108

  b = 90

Find the missing value for the ratio.

• 3

• 9

• 7

• 21

What is the ratio of green marbles to red marbles?

• 3/2
• 3/1
• 3/3
• 2/3

What is the ratio of monkeys to bananas?

• 5:4

• 5:9

• 4:9

• 4:5

Mary lost 3 out of 5 games. What is the ratio of games Mary lost to the games she won?

• 3/5

• 2/5

• 3/2

• 5/2

What are the three different ways you can write a ratio?

• Fraction, comma, words

• Fraction, colon, words

• Colon, words, pictures

• Picture, fraction, comma

Andrew has 2 cats and 9 fish. He writes the ratio 2:11. What type of ratio did he write?

• Part-to-part

• Unit rate

• Part-to-whole

• Whole-to-part

Mrs. Lilja sat for 2 hours and read 80 pages. If she read at a constant rate, how many pages did she read each hour?

• 80 pages per hour

• 40 pages per hour

• 160 pages per hour

• 20 pages per hour

Bryce pays $14 for 8 pounds of strawberries. What does he pay per pound?

• $14 for 8 pounds

• $1.75 per pound

• $0.57 per pound

• $1.70 per pound