Lesson 8 7 precents
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Name __________________________________ Date ______________________ Mrs. Labuski & Mrs. Rooney Period _______ Lesson 8-7 Percents VOCABULARY DEFNINTION EXAMPLE PERCENT Is a ratio of a number out of 100. Percent means “per one hundred.” 50 out of 100 50% Now you try: 1. ___10% _______ 2. __30% __________ 3. ___40% _______ Writing Percents as Fractions: 25% Write the percent as a fraction with the denominator of 100. 25 100
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Transcript of Lesson 8 7 precents
Name __________________________________ Date ______________________Mrs. Labuski & Mrs. Rooney Period _______ Lesson 8-7 Percents
VOCABULARY DEFNINTION EXAMPLE
PERCENT
Is a ratio of a number out of 100. Percent
means “per one hundred.”
50 out of 10050%
Now you try:
1. ___10%_______ 2. __30%__________ 3. ___40%_______
Writing Percents as Fractions: 25%
Write the percent as a fraction with the denominator of 100. 25 100
Reduce 25 = 1100 4
Now you try some on the next page
Write each percent as a fraction in simplest form.
1. 30% ____ ________ 2. 42% ___ _________ 3. 18%__ __________
4. 35% ____ ________ 5. 100% __ ________ 6. 29%____ ________
7. 56% _____ _______ 8. 70% ______ ______ 9. 25%___ _________
Writing Percents as Decimals: 25%
Write the percent as a fraction with the denominator of 100. 25 100
Change the fraction to a decimal (divide the numerator by the denominator) (remember: to divide by 100, just move the decimal two places to the left)
25 = .25100 100 )25.00
25% = 0.25Write each percent as a decimal.
10. 19% ___0.19_________11. 45% __0.45__________12. 3%____0.03________
13. 80% ___0.80_________14. 24% _0.24__________ 15. 6%____0.06________
Order the percents from least to greatest.
16. 89%, 42%, 91%, 27% 17. 2%, 55%, 63%, 31%
18. Sarah correctly answered 84% of the questions on her math test. What fraction of the test questions did she answer correctly? Write your answer in simplest form.
_ 2215_19. Chloe swam 40 laps in the pool, but this was only 50% of her total swimming workout. How many more laps does she still need to swim?40 more laps
Name __________________________________ Date ______________________Mrs. Labuski & Mrs. Rooney Period _______ Lesson 8-7 Percents
VOCABULARY DEFNINTION EXAMPLE
PERCENT
____ out of __________%
Now you try:
1. ____________ 2. ____________ 3. ____________
Writing Percents as Fractions: 25%
Write the percent as a fraction with the denominator of 100.
Reduce
Now you try some on the next page
Write each percent as a fraction in simplest form.
1. 30% ____________ 2. 42% ____________ 3. 18%____________
4. 35% ____________ 5. 100% ____________ 6. 29%____________
7. 56% ____________ 8. 70% ____________ 9. 25%____________
Writing Percents as Decimals: 25%
Write the percent as a fraction with the denominator of 100.
Change the fraction to a decimal (divide the numerator by the denominator) (remember: to divide by 100, just move the decimal two places to the left)
Write each percent as a decimal.
10. 19% ____________ 11. 45% ____________ 12. 3%____________
13. 80% ____________ 14. 24% ____________ 15. 6%____________
Order the percents from least to greatest.
16. 89%, 42%, 91%, 27% 17. 2%, 55%, 63%, 31%
_____________________ _____________________
18. Sarah correctly answered 84% of the questions on her math test. What fraction of the test questions did she answer correctly? Write your answer in simplest form._ 2215_19. Chloe swam 40 laps in the pool, but this was only 50% of her total swimming workout. How many more laps does she still need to swim?
