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Related topic
Mathematics / Year 7 / Number
Curriculum content descriptions
round decimals to a given accuracy appropriate to the context and use appropriate rounding and estimation to check the reasonableness of solutions (AC9M7N05)
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, such as the amount of paint required and cost estimate for renovating a house; for example, 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 \(\$100\)
General capabilities
ScOT terms
Estimation, Decimals, Rounding