15562589
Descrição
FlashCards por Melanie Chappell, atualizado more than 1 year ago
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Criado por Melanie Chappell
mais de 5 anos atrás
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| Questão | Responda |
| True/False: A ratio is a comparison of two quantities. | True! |
| There are two ways to compare ratios: part to part part to ___________ | whole |
| There are 18 students in the class. 8 of them are girls. Identify the two parts and the whole for this problem. | Part 1: 8 girls Part 2: 10 boys Whole: 18 students |
| There are 24 players on a team. 8 players are new to the team this year. What is the ratio of new players to returning players? (Don't forget to reduce!) | 24 - 8 = 16 returning players 8:16 reduces to 1:2 |
| 4 of the 5 cars were red. Which of the following is not a way to write the ratio: a. 4 : 5 b. 4/5 c. 4 - 5 d. 4 to 5 | C. 4 - 5 Ratios are not written with a dash between the two numbers. |
| True/False: A proportion is a statement that shows two ratios are equal. | True! |
| Do these ratios form a proportion? | Yes! When you cross-multiply, 3 x 10 = 5 x 6 30 = 30 |
| Do these ratios form a proportion? | No! When you cross-multiply, 2 x 35 ≠ 9 x 8 70 ≠ 72 |
| Find the missing number: | The missing number is 48. 5 x 4 = 20 So, 12 x 4 = 48 |
| Find the missing number: | The missing number is 15. 9 x 3 = 27 So, 15 x 3 = 45 |
| Find the missing number: | The missing number is 15. For all of the rows, multiply the number on the left by 3 to get the number on the right. |
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