Flashcards
Ratios/Proportions Review
Flashcards do conjunto (11)
- 1True/False: A ratio is a comparison of two quantities.True!
- 2There are two ways to compare ratios: part to part part to ___________whole
- 3There 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 - 4There 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 - 54 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 5C. 4 - 5
Ratios are not written with a dash between the two numbers. - 6True/False: A proportion is a statement that shows two ratios are equal.True!
- 7Do these ratios form a proportion?Yes!
When you cross-multiply,
3 x 10 = 5 x 6
30 = 30 - 8Do these ratios form a proportion?No!
When you cross-multiply,
2 x 35 ≠ 9 x 8
70 ≠ 72
- 9Find the missing number:The missing number is 48.
5 x 4 = 20
So, 12 x 4 = 48
- 10Find the missing number:The missing number is 15.
9 x 3 = 27
So, 15 x 3 = 45
- 11Find 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.
Informações
- Descrição
- FlashCards sobre Ratios/Proportions Review, criado por Melanie Chappell em 14-10-2018.
- Criado por
- Melanie Chappell · out 2018
- Atualizado
- 14 out 2018
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- 331
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