round decimals to a given accuracy appropriate to the context and use appropriate rounding and estimation to check the reasonableness of computations
Elaborations
identifying the interval between a pair of consecutive integers that includes a given rational number
choosing and applying conventions for rounding correct to a specified number of decimal places based upon the context
checking that the accuracy of rounding is suitable for context and purpose; for example, for the amount of paint required or the cost estimate for renovating a house, purchasing 2 litres of paint to paint the bedroom even though 1.89 litres is the exact answer or estimating a renovation budget to the nearest $100
Code
VC2M7N04
Curriculum resources and support
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