IM.G7.U4 Vocabulary

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Percent Increase

Back

The amount by which a value increases as a percentage.

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Percent Decrease

Back

The amount by which a value decreases as a percentage.

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Formula for Percent Increase & Decrease

Back

(difference) / original * 100 = % decrease

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Sales Tax

Back

An additional amount of money we pay based on a percentage of what we purchase.

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Interest

Back

A fee paid for borrowing money that’s calculated as a percentage of the amount you owe.

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Depreciation

Back

A decrease in the value of something over time (e.g., a new car depreciates in value as it gets older).

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Ratio

Back

A comparison of two quantities.

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Proportion

Back

An equation stating that two ratios are equivalent.

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Proportional Relationship

Back

When you compare two things, the ratio between them is always the same no matter how much of each thing you have.

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Unit Rate

Back

The amount of something per one of something else.