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Shapeshifting Percent Format

The greatest reward for a student is not a good grade. It is the willingness of his teacher to listen to him.

- Nikolay Konstantinov

homework turn in box You attempted the ten exercises for this topic. Those problems did not have an answer key. Use this form to ask me how well you did.

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Answer every question. Then use the button at the bottom of the page to create a code by processing your answers. Copy-and-paste the code into an e-mail.

Keep trying until you get 8 out of 10 or more.

1. An easy way to divide a number by 1,000 is to scoot the decimal point...

2 places to the left 3 places to the left
2 places to the right 3 places to the right

2. An easy way to multiply a number by 0.01 is to scoot the decimal point...

2 places to the left 3 places to the left
2 places to the right 3 places to the right

3. Write 5.5% as a decimal.

550 55 5.5 0.55 0.055

4. Write 0.8911 as a percent.

0.08911% 0.8911% 89.11% 891.1% 8,911%

5.Write 0.8% as a fraction.

8⁄10 8⁄10 % 1⁄8 1⁄125

6. Write 25 3⁄8 % as a fraction.

25 3⁄8 203⁄8 203⁄100 203⁄800

7. Write the fraction 5⁄8 as a percent.

5⁄8 % 6.25% 0.625% 62.5%

8. Write the fraction 17⁄50 as a percent.

17⁄50 % 0.175% 0.34% 34%

9. After we change two-thirds into percent format, do its digits repeat endlessly?

yes no

10. Use what you have memorized to write 33 1⁄3 percent as a decimal and a fraction.

the fraction format is 33 1⁄3
the fraction format is 100⁄3
the fraction format is 1⁄3
the fraction format is the whole number 3