Ratio & Proportion
- Created by: Hazelblue2
- Created on: 23-06-17 14:42
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- Ratio & Proportion
- Ratio
- Simplifying Ratio
- The ratio is a way of comparing two or more quantities
- Equivalent Ratio
- The ratio 2:5 and 5:10 are called Equivalent Ratios.
- Equivalent Ratios show the same proportion (like fractions)
- 10:20 and 5:10 and 1:2
- Ratio compares part to part
- Proportion
- Direct Proportion
- As one amount increases, another amount increases at the same rate
- Proportion compares part to whole
- Proportions can be written as fractions or percentages
- Inverse Proportion
- When two quantities are in inverse proportion one increases, the other decreases in the same ratio
- 1:8 = 2:? Inverse Proportion
- Steps:
- 8=a Answer= n 1=b 2=c
- c~b=n
- 8=a Answer= n 1=b 2=c
- Steps:
- Direct Proportion
- Try These:
- 1:8 = 2:? Inverse Proportion
- Steps:
- 8=a Answer= n 1=b 2=c
- c~b=n
- 8=a Answer= n 1=b 2=c
- Steps:
- 1:8 = 2:? Inverse Proportion
- What Do I Think?
- Ratio
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