Lesson
Lesson-1.1.19- Understand and use ratio and proportion to: ??? give ratios in their simplest form ??? divide a quantity in a given ratio ??? use proportional reasoning and ratios in context.
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Lesson-1.1.18- Find upper and lower bounds of the results of calculations which have used data rounded to a specified accuracy.PreviousLesson-1.1.20- Use common measures of rate. e.g. calculate with: ??? hourly rates of pay ??? exchange rates between currencies ??? flow rates ??? fuel consumption.Next