- 1. The water frozen in glaciers makes up 85% of the world's fresh water supply. Write 85% as a decimal.
A) 0.085
B) 0.85
C) 8.5
D) 8500
- 2. Brayden completed 0.7 of his homework. What percent of his homework did Brayden complete?
A) 7%
B) 700%
C) 70%
D) 0.7%
- 3. About 11/25 of the Earth's atmosphere is made up of nitrogen. What percent of the Earth's atmosphere is nitrogen?
A) 0.444%
B) 44%
C) 25.11%
D) 11.25%
- 4. Express each percent as a decimal. 63%
A) 0.63
B) 63
C) 6.3
D) 0.063
- 5. Patti spent 4/5 of her allowance on a new backpack. What percent of her allowance did she spend on the backpack?
A) 45%
B) 54%
C) 75%
D) 80%
- 6. Express each decimal as a percent. 0.7
A) 70%
B) 7%
C) 700%
D) 0.7%
- 7. Express each decimal as a percent. 0.06
A) 0.6%
B) 6%
C) 600%
D) 60%
- 8. In a survey, 20 students were asked whether they prefer pepperoni pizza or cheese pizza. Nine students said they prefer cheese pizza. What percentage of the students surveyed said they prefer cheese pizza?
A) 45%
B) 0.45%
C) 9.20%
D) 20.9%
- 9. The United States gets about 39% of its energy from petroleum. Write 39% as a decimal.
A) 39
B) 3.9
C) 0.039
D) 0.39
- 10. The United States uses 24% of the world's supply of energy. What fraction of the world's energy is this?
A) 15/47
B) 6/25
C) 9/20
D) 9/25
- 11. Matt ate 0.45 of his birthday cake. Convert the amount of cake Matt consumed into a fraction in simplest form.
A) 4 and 1/2
B) 4 and 5/10
C) 9/20
D) 45/100
- 12. Leah went 7/8 at the plate in last night's baseball game. Convert her batting average for last night's game into a decimal.
A) 0.578
B) 0.78
C) 0.875
D) 0.87
- 13. What is 1/5 as a decimal and percent?
- 14. What is 0.18 as a fraction in simplest form and a percent?
- 15. What is 35% as a decimal and fraction in simplest form?
- 16. What is 17/20 as a decimal and a percent?
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