Name ________________________________________________________ 8th grade Summer Math Set 3 for Pre-algebraVERITAS: I pledge before God and man that this work is my own, and I have neither given nor received undue aid on this summer work. ____________

Show ALL work neatly and numbered on a separate paper. Write answers in blanks on this paper.

1. Determine whether the following proportion is true or false. 59=15

27________________________________________

2. Write the following comparison as a ratio reduced to lowest terms. 12 quarters to 27 dollars________________________________________

3. Write the following comparison as a ratio reduced to lowest terms. 38 feet to 14 yards________________________________________

4. Write the following comparison as a ratio reduced to lowest terms. 359 centimeters to 13 meters________________________________________

5. Solve the following proportion. 39

273= x

14 ________________________________________

6. Solve the following proportion.1498

= x91

________________________________________

7. If it took 1 hour to drive to your sister's house, how long would you estimate the drive to Chicago to take? The distance to your sister's house is 52 miles, and the distance to Chicago is 728 miles.________________________________________

8. Change the fraction to a percent. Write in percent form rounded to the nearest tenth of a percent. 85

100________________________________________

9. Change the following decimal to a percent. Write your answer in percent form. 0.07________________________________________

10. Change the following percent to a decimal. 17% ________________________________________

11. Write your answers in percent form. Given the following shaded pie chart:Determine what percentage are shaded the different colors.

________________________________________ = Percentage shaded yellow.

________________________________________ = Percentage shaded blue.________________________________________ = Percentage shaded green.

12. Calculate the percentage profit. Write your answer in percent form rounded to the nearest hundredth, if necessary for A) a profit of $140 on a $300 investment. ________________________________________B) A profit of $350 on a $3000 investment. ________________________________________C) Which is the better investment (A or B)? ________________________________________

13. Change the fraction to a percent rounded to the nearest tenth of a percent. 59

________________________________________

14. Change the mixed number to a percent rounded to the nearest tenth of a percent. 21

10________________________________________

15. Change 16% to a fraction and reduce, if possible.________________________________________

16. Change the fraction to a percent rounded to the nearest tenth of a percent. 4150

________________________________________

17. Find the unknown quantity in the following percent problem to two decimal places 39% of is 303.________________________________________

18. The discount on a new copier was $230. This was a discount of 21%. Round answers to the nearest cent.A) ________________________________________ What was the original selling price of the copier? B) ________________________________________What was the sale price? C) ________________________________________What would a customer pay for the copier if a 3% sales tax was added to the sale price?

19. Find the perimeter of a square with sides of length 10 m.________________________________________

20. Find the perimeter of a parallelogram with sides 13.4 ft and 9.4 ft.________________________________________

21. Find the area of a triangle with a base of 6 cm and height of 4 cm.________________________________________

22. Find the area of a square with sides of length 8 m.________________________________________

23. Find the area of a rectangle with length 16 ft and width 11 ft.________________________________________

24. Find the circumference of a circle with a diameter of 7 m. Use ä = 3.14. (Round to the hundredths.)________________________________________

25. Find the area of a circle with a radius of 30 ft. (Note: Take the value of ä as 3.14). Round your answer to the nearest hundredth.

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