Chapter 6: Ratios and rates Notes

Sections

1. 6A Simplifying ratios Mastered

   Writing ratios, equivalent ratios, simplifying ratios with whole numbers, fractions, decimals and different units.

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2. 6B Dividing a quantity in a given ratio Mastered

   Sharing an amount in a given ratio by finding the value of one part, and finding a total from one share.

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3. 6C Scale drawings and maps Mastered

   Using scale ratios on maps and plans to find real distances and drawing lengths, and finding the scale factor.

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4. 6D Rates and best buys Mastered

   Writing rates in simplest form, unit rates, converting rates, solving rate problems and comparing prices to find the best buy.

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5. 6E Speed, distance and time Mastered

   Using the speed, distance and time formulas, average speed for trips with several parts, and distance-time graphs.

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