Ratios, Proportions, Percent Proportions

A rate where the comparison is to one unit

• Equivalent Ratios

• Rate

• Unit Rate

• Scale Factor

A ratio of two quantities measured in different units.

• Equivalent Ratios

• Rate

• Corresponding Sides

• Unit Rate

Ratios that have the same value.

• Scale Factor

• Equivalent Ratio

• Corresponding Sides

• Rate

The figure shows a group of circles. How many blue circles are there for each yellow circle?

• 11:6

• 5:11

• 6:5

• 5:6

Javier created a table to show how many rocks and shells he collected at the beach. He continued collecting rocks and shells at the same rate. How many shells did he have when he collected 10 rocks?

• 90

• 63

• 81

• 99

To earn a prize, Sally had to sell at least 12 out of the 20 candy bars for the band fundraiser. What percentage of candy bars did she need to sell?

• 12%

• 20%

• 60%

• 50%

Sally ate 3 pieces of pepperoni pizza. Later she ate 1 slice of cheese pizza. Which of the following ratios identifies how many slices of pizza Sally ate in total compared to the number of slices of pepperoni pizza she ate?

• 3:4

• 4:3

• 1:3

• 3:1

Abdul receives $12 per week for his allowance. His parents have asked him to put $5 in his savings account and the rest of his allowance is spending money. What is the ratio of the amount of money he saves to the amount of money he can spend?

• 5:12

• 7:5

• 5:7

• 12:5

During the regular baseball season, Don was at bat 350 times and had 150 hits. What is the ratio of his number of hits to the number of times he was at bat?

• 3:7

• 7:3

• 3:8

• 4:7

A florist made wreaths to sell at a craft fair. She said the ratio of wreaths sold to the number of hours is 35:7. Based on this information, which statement is true?

• She sold 4 wreaths per hour

• She sold 5 wreaths per hour

• She sold 6 wreaths per hour

• She sold 7 wreaths per hour