 |  Rates And Percentages 20 Flashcards |  Start |
 | What is the significance of the word 'per' in the context of rates? |  Card: 1 / 20 |
| The word 'per' indicates that a rate is comparing two quantities with different units, meaning 'for each' or 'for every'. | Card: 2 / 20 |
| Fill in the blank: A unit rate is a rate where the denominator is ___. | Card: 3 / 20 |
| 1 | Card: 4 / 20 |
| How do you find the unit rate from a given rate? | Card: 5 / 20 |
| To find the unit rate, divide amounts.
| Card: 6 / 20 |
| True or False: Percentages can only be used to represent part of a whole when the whole is 100. | Card: 7 / 20 |
| False. Percentages represent a comparison to 100, but they can be applied to any quantity to express a part of a whole. | Card: 8 / 20 |
| What is the formula to calculate percent increase? | Card: 9 / 20 |
| The formula for percent increase is (New Value - Original Value) / Original Value × 100%. | Card: 10 / 20 |
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| Riddle: I am a way to express a number as a fraction of 100. What am I? | Card: 11 / 20 |
| A percentage. | Card: 12 / 20 |
| Calculate 20% of 150. | Card: 13 / 20 |
| 20% of 150 is 0.20 × 150 = 30. | Card: 14 / 20 |
| What is the relationship between speed, distance, and time? | Card: 15 / 20 |
| The relationship is defined by the formula Speed = Distance / Time, which can be rearranged to find Distance or Time. | Card: 16 / 20 |
| Fill in the blank: A percentage describes how much a quantity has ___ compared to its original value. | Card: 17 / 20 |
| Increased or decreased | Card: 18 / 20 |
| How do you convert a percentage to a decimal? | Card: 19 / 20 |
| To convert a percentage to a decimal, divide the percentage by 100 or move the decimal point two places to the left. | Card: 20 / 20 |
| Completed! Keep practicing to master all of them. |  Restart |
