1. Ch.7 Review
Created by Educational Technology Network

2. 10 20 30 40 Percentages Proportions Ch.7 Checkpoints
Percent Increase or Decrease
Equations with Rational Coefficients
Proportions 10 20 30 40

3. Simplifying Expressions - 10
Simplify. Write answer in standard form.

4. Simplifying Expressions – 10

5. Histograms - 20
How many people surveyed reported that they have less than 6 people at dinner?

6. Histograms – 20

7. Simplifying Expressions - 30
Simplify. Write answer in standard form.

8. Simplifying Expressions – 30

9. Box Plots- 40
What critical points do you need to find to create a box-and-whisker plot?

10. Box Plots – 40 Minimum, 1st Quartile, Median,
3rd Quartile, and Maximum

11. Percentages - 10
A theater is 82% full. If the theater can seat up to 1,700 people, how many people are currently in the theater?

12. Percentages – 10
A theater is 82% full. If the theater can seat up to 1,700 people, how many people are currently in the theater? 1,394 people

13. Percentages - 20
Cathy has walked 14% of a 500 meter race. How many meters does she have left in the race?

14. Percentages – 20
Cathy has walked 14% of a 500 meter race. How many meters does she have left in the race? 430 meters

15. Percentages - 30
A car is on sale for $35,000. If sales tax is 9%, how much will the car cost in total?

16. Percentages – 30
A car is on sale for $35,000. If sales tax is 9%, how much will the car cost in total? $38,150 total

17. Percentages - 40
A table is originally $850 but is on sale for 35% off. How much is the sale price?

18. Percentages – 40
A table is originally $850 but is on sale for 35% off. How much is the sale price? $552.50

19. Percent Increase or Decrease - 10
Yusaku brought 200 books to a book sale and left with 80. What is the percent change?

20. Percent Increase or Decrease – 10
Yusaku brought 200 books to a book sale and left with 80. What is the percent change? 60% decrease

21. Percent Increase or Decrease - 20
Jamal has 4 dogs and adopts 1 more. What is the percent change?

22. Percent Increase or Decrease – 20
Jamal has 4 dogs and adopts 1 more. What is the percent change? 25% increase

23. Percent Increase or Decrease - 30
A lamp is priced to sell for $80. You haggle the price down to $32. What is the percent change?

24. Percent Increase or Decrease – 30
A lamp is priced to sell for $80. You haggle the price down to $32. What is the percent change? 60% decrease

25. Percent Increase or Decrease - 40
A farmer plants 525 tomato plants last year and this year she plants 735 the following year. What is the percent change?

26. Percent Increase or Decrease – 40
A farmer plants 525 tomato plants last year and this year she plants 735 the following year. What is the percent change? 40% increase

27. Eq’ns w/ Rational Coefficients - 10

28. Eq’ns w/ Rational Coefficients – 10

29. Eq’ns w/ Rational Coefficients - 20

30. Eq’ns w/ Rational Coefficients – 20

31. Eq’ns w/ Rational Coefficients - 30

32. Eq’ns w/ Rational Coefficients – 30

33. Eq’ns w/ Rational Coefficients - 40

34. Eq’ns w/ Rational Coefficients – 40

35. Proportions - 10

36. Proportions – 10

37. Proportions - 20

38. Proportions – 20

39. Proportions - 30

40. Proportions – 30

41. Proportions - 40

42. Proportions – 40