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Unit 3
Proportional Reasoning with Rates
| Term | Definition |
|---|---|
| terminating decimal | A decimal number that ends rather than repeats |
| repeating decimal | A decimal that continues in a pattern rather than terminating |
| rate | A ratio that compares two terms measured in different units. |
| unit rate | A rate in which the second term's quantity is ONE unit. |
| proportion | an equation that states two ratios are equivalent. |
| distance | The amount of space between two things |
| time | The ongoing sequence of events taking place. Measured in seconds, minutes, hours, day, months, and years. |
| average | An estimation of or approximation to an arithmetic mean. |
| speed | The rate at which someone or something is able to move or operate. |
| liquid | Having a consistency like that of water or oil, flowing freely but of constant volume, no definite shape. |
| solid | Firm and stable in shape and volume. |
| increase | Growing larger or greater. |
| decrease | To maker smaller. |
| length | The measurement of something from end to end. |
| scale | The ratio of the length in a drawing or model to the length of the real object. |
| scale model | A representation or copy of an object that is larger or smaller than the actual size of an object but maintains proportions of that object. |
| actual size | The true dimensions of an object. |
| scale factor | The ratio used to enlarge or reduce an object creating similar figures. |
Created by:
Mrs Ott
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