Comparing and Making Equivalent Ratios

For a recipe, Brutus uses 4 cups of sugar for every 5 cups of flour. Which of the following show equivalent ratios for sugar to flour?

What is an equivalent ratio?

• Two or more ratios with the same values
• Two or more ratios that have different values
• Two or more ratios that equal 1
• Two or more ratios that have a denominator of 1

8. Find the missing part of the equivalent ratios.

• 42 miles

• 72 miles

• 62 miles

• 52 miles

Which ratio is equivalent to 5 to 4

• 25 to 20
• 10 to 12
• 4 to 5
• 15 to 8

Which ratio is equivalent to 3:4

• 12:14
• 6:8
• 4:3
• 20:15

If you have 3 pennies, 4 nickels, and 5 dimes which represents the following ratio: nickels to total number of coins?

• 4:5
• 3:12
• 4:12
• 5:12

Which of the following ratios are NOT equivalent to 20:24?

• 10:12
• 5:6
• 15:18
• 16:20

True or false.
¾  =  ⅝

• True
• False

The ratio of boys to girls in Ella's grade is 3 to 4. The ratio of boys to girls in Minh's grade is 4 to 5. Each grade has a total of 20 girls. How many boys are in each grade?

• Ella's grade has 10 boys and Minh's grade has 16 boys.

• Ella's grade has 15 boys and Minh's grade has 20 boys.

• Ella's grade has 15 boys and Minh's grade has 16 boys.

• Ella's grade has 12 boys and Minh's grade has 20 boys.

The ratio of dogs to cats at the Joliet Animal Shelter is 6:7. The ratio of dogs to cats at the Grundy County Animal Shelter is 5:8. If each shelter has 30 dogs, how many cats does each shelter have?

• The Joliet Animal Shelter has 35 cats and the Grundy County Animal Shelter has 48 cats.

• The Joliet Animal Shelter has 42 cats and the Grundy County Animal Shelter has 40 cats.

• The Joliet Animal Shelter has 48 cats and the Grundy County Animal Shelter has 32 cats.

• The Joliet Animal Shelter has 30 cats and the Grundy County Animal Shelter has 45 cats.