Name ___________________________________ Period _______ Date ____________ Score _________
Math 7 Accelerated –Chapter 5 Review
Express each ratio as a fraction in simplest form:
1. 10 girls out of 24 students
2. 8 ounces to 3 pounds
Express each rate as a unit rate.
3.
$75 for 5 DVDs
4. 300 words in 5 minutes
5. Which bottle of water costs more per ounce: a 12 ounce bottle for $1.25 or a 16 ounce bottle for $1.50?
Explain.
6. Find the value of x in the pair of similar figures.
Simplify the fractions (#7-9). Leave your answers in simplified fractions.
7.
9.
1
4
5
8
1
7 %
4
2
7
8.
4
10. Is the set of numbers in the table proportional? If the relationship is proportional, identify the constant
of proportionality.
Checks Written
Bank Fee ($)
3
6
9
12
3.75
7.50
11.25
15.00
11. A thrill ride at an amusement park travels 57 miles per hour. To the nearest tenth, how many feet
per second is this? (5280 ft = 1 mile)
12. The number of cars moved from one parking lot to another
is proportional to time, in minutes. The graph shows the
relationship (time, cars). What is the constant of proportionality?
Using the following picture to answer #13-15
13. Find the value of x by solving proportion.
14. Which segment corresponds to
15. Which angle is congruent to ∠G?
?
16. At the same time a 15-foot pole casts a 7.5-foot shadow, a nearby tree casts an 11-foot shadow. How
tall is the tree? Draw a diagram to help you solve.
17. Write 1 inch = 3 yards as a scale factor.
18. In the diagram below, what is x? (Show all work)
5
x
4
21
35