Math Above



Math Name _______________________

Part 1

Unit 6 Review Date _____________ Period _____

Change each decimal to a percent. NO CALCULATOR

1.) 0.05 ____________________ 2.) 2.53 _____________________

3.) 0.4 ___________________ 4.) 0.017 ______________________

5.) 0.002 ____________________ 6.) 1.8 _____________________

Change each percent to a decimal. NO CALCULATOR

7.) 45% ____________________ 8.) 4% ______________________

9.) 0.7% ____________________ 10.) 120% ____________________

11.) 87.5% _________________ 12.) 76% _____________________

13.) 9.5 % _________________ 14.) 2[pic]% ________________________

Write each fraction as a percent. NO CALCULATOR

15.) [pic]_____________________ 16.) [pic]__________________________

17.)[pic] ______________________ 18.) [pic] ______________________

19.) [pic]____________________ 20.) [pic]_______________________

Write each percent as a proper or improper fraction in LOWEST TERMS. NO CALCULATOR

21.) 45% ___________________ 22.) 124% ______________________

23.) 2.5% __________________ 24.) 0.8% _____________________

Find the percent of the number. Use Mental Math. NO CALCULATOR

25.)What is 20% of 35? _________________ 26.) What is 25% of 92? ___________________

27.) What is 15% of 60?_________________ 28.) What is 10% of 84 ____________________

29.) What is 50% of 88?__________________ 30.) What is 1% of 350? ___________________

31.) 20% of 450 ___________________________

Find the percent of the number. NO CALCULATOR

32.) Find 35% of 72 ______________________ 33.) Find 20% of 125 _____________________

34.) Find 70% of 200 ____________________ 35.) Find 35% of 70 _____________________

Find each percent change. CALCULATORS PERMITTED

36.) __________________ 60 is decreased to 15 37.) ______________ 145 is decreased to 105 (Round your answer to the nearest percent)

Find the amount of interest for each.

38.) I = ____________, p = $900 , r = 7%, t = 2 years

39.) I = ____________, p = $3,000 , r = 6%, t = 3 years

Use a proportion to solve each percent problem.

40.) What percent of 32 is 4? 41.) 135% of what number is 121.5?

42.) What percent of 180 is 36?

Answer the following. Show your work in the space provided.

43.) Billy answered 24 questions out of 30 questions correct. What was his percent? First find a decimal, then change it to a percent.

44.) The largest frog in the world is the goliath frog, found in West Africa. This type of frog can grow to be 12 inches long. The smallest frog in the world is 4% as long as the goliath. What is the length of the smallest frog in the world?

45.) In a survey at Benner Middle School, 46 people, which was 20% of those surveyed, chose red as their favorite color. How many people were surveyed?

46.) Terry read 120 pages of his reading book. If the assignments is 125 pages, what percent has Terry read so far?

47.) William purchased a dirt bike that was marked 15% off. If the original price was $600.00, how much did he pay for the dirt bike?

48.) Will purchased a helmet for $40.50 and knee pads for $24.40 . How much sales tax would be added to the total bill, if there was sales tax at a rate of 6%?

49.) Kimberly earns a base salary of $450 per month and 4% commission on all sales she makes. How much would she make for the month if she sold $2000 in furniture?

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