RP.3c - percents

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

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How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 38% of 560, calculate 560 * 0.38.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find the whole when given a part and a percent?

Back

The formula is: Whole = Part / (Percent / 100). For example, if 435 is 15% of a number, the whole is 435 / 0.15.

Tags

CCSS.6.RP.A.3C

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply by 100. For example, 11/25 = 0.44, which is 44%.

Front

What is the relationship between part, whole, and percent?

Back

The relationship is defined by the formula: Percent = (Part / Whole) * 100.

Front

How do you find the percent of a mixture?

Back

To find the percent of a component in a mixture, divide the volume of the component by the total volume of the mixture and multiply by 100.

Front

What is the formula to calculate the amount of a component in a mixture given its percent?

Back

The formula is: Amount of Component = Total Mixture Volume * (Percent / 100).

Tags

CCSS.6.RP.A.3C

Front

How do you determine the total amount collected if you know a part and the percent it represents?

Back

Use the formula: Total Amount = Part / (Percent / 100). For example, if $126 is collected and represents a certain percent, you can find the total.

Tags

CCSS.6.RP.A.3C

Front

What is the significance of understanding percentages in real-life applications?

Back

Understanding percentages is crucial for making informed decisions in finance, statistics, and everyday calculations.

Tags

CCSS.6.RP.A.3C

Front

How can you check if your percentage calculation is correct?

Back

You can check by reversing the calculation: if you found that 38% of 560 is 212.8, you can verify by calculating (212.8 / 560) * 100.