Chapter 9 : Comparing Quantities

Topic 1: Ratio

Topic 2: Simplification of ratio

Topic 3: Proportion 

Topic 4: Direct variation

Topic 5: Inverse variation

Topic 6: Percentage 

Topic 7: Converting fractional numbers to percentage

Topic 8: Converting decimals to percentage 

Topic 9: Converting percentage to fractions

Topic 10: Converting percentage to decimals 

Topic 11: Converting percentage to “ how many” 

Topic 12: Express a quantity as the percentage of another

Topic 13: Ratios to percents

Topic 14: Increase measured as percent

Topic 15: Decrease measured as percent

Topic 16: Converting percentage into a ratio 

Topic 17: Profit or loss as a percentage

Practice problem

Note book

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