Math Above - Tredyffrin/Easttown School District
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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