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Cambridge OLevel Mathematics Syllabus D revision notes
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Lesson-1.1.16- Round answers to a reasonable degree of accuracy in the context of a given problem.
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Lesson-1.1.15- Make estimates for calculations involving numbers, quantities and measurements.
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Lesson-1.1.17- Give upper and lower bounds for data rounded to a specified accuracy. e.g. write down the upper bound of a length measured correct to the nearest metre.
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