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Questions and Answers
What fraction represents Portion 1 of the grid?
What fraction represents Portion 1 of the grid?
- 11/100 (correct)
- 12/100
- 11/90
- 10/100
How is 47 out of 100 expressed in decimal form?
How is 47 out of 100 expressed in decimal form?
- 0.94
- 0.57
- 0.47 (correct)
- 0.74
What is the percentage equivalent of the fraction 1/100?
What is the percentage equivalent of the fraction 1/100?
- 0.1%
- 2%
- 10%
- 1% (correct)
Which step is NOT part of converting a portion to a percentage?
Which step is NOT part of converting a portion to a percentage?
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What is the decimal representation of Portion 2, which is 47/100?
What is the decimal representation of Portion 2, which is 47/100?
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Study Notes
Portions of a Whole
- Portions represent parts of a whole, often expressed as fractions, decimals, or percentages.
- A portion can be visualized as a shaded area within a grid divided into 100 squares.
- The portion representing 11 out of 100 can be written as 11/100, 0.11, or 11%.
- The portion representing 47 out of 100 can be written as 47/100, 0.47, or 47%.
- To calculate the percentage of a portion, divide the portion by the total and multiply by 100.
Converting Fractions to Decimals and Percentages
- Fractions, decimals, and percentages are all used to represent portions of a whole.
- To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number).
- To convert a decimal to a percentage, multiply by 100.
General Steps for Calculating Portions
- Identify the portion you are interested in.
- Express the portion as a fraction.
- Convert the fraction to a decimal.
- Convert the decimal to a percentage.
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