7TH GRADE MATH NAME___________________________ TEST REVIEW QUESTIONS RATES, RATIOS, PROPORTIONS, %’S DIRECTIONS: Answer each of the following. Show work or explain your answer for each! UNIT RATES 1. What is a unit rate? Give an example: 2. An average family of 4 creates about 17.6 pounds of garbage every day. About how

many pounds does one person create in a day? 3. Robert earns $25 per hour at work, and he works 8 hours a day. Lydia earns $225

per day at work. Who earns more? RATIOS 4. Mrs. Flick is giving out free rodents for you to dissect. She gives out 35 total

rodents, and the ratio of possums to skunks is 5:2. How many possums does she give out?

PROPORTIONS 5. Solve the following proportion for q:

!"!= !

!"

6. If Lexi can run 2 miles in 16 minutes, how many minutes will it take her to run 26

miles? PERCENTS 7. Change !

!" to a percent.

8. What number is 75% of 60? 9. If there are 112 7th graders and 56.25% of them study for their math test, how many

students study for their math test?

10. Josh went to buy a new pair of shoes. He thought that they were $120, but they were on sale for 20% off. He also had a coupon for 10% off the sale price. Finally, t he store charged him a 7% sales tax. How much will Josh pay for the shoes?

MEASUREMENT REVIEW 11. What is the width of the dollar bill shown below? Give your answer to the nearest

sixteenth of an inch. SCALE FACTORS 12. A map has a scale of 1 inch = 150 miles. If a road actually measures 425 miles,

how long will it be on the map? 13. Xbox Kinect uses video game technology to shrink the size of a person in order

to fit into the television screen. If a person that is 72” shows up as 20” on the TV screen, what is the scale factor from real life to the TV size?

SIMILAR FIGURES 14. If the triangles show to the right are similar, find the missing parts: a. Side AM b. Angle G c. The perimeter of AZN