AC9M7N05 Year 7 Mathematics

This Content Descriptor from Year 7 Mathematics provides the specific knowledge and skills students should learn. Use it to plan lessons, create learning sequences, and design assessments that align with the Australian Curriculum v9.

round decimals to a given accuracy appropriate to the context and use appropriate rounding and estimation to check the reasonableness of solutions

Elaborations

• 1 identifying the interval between a pair of consecutive integers that includes a given rational number
• 2 choosing and applying conventions for rounding correct to a specified number of decimal places based upon the context
• 3 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 \(\$100\)

Related Achievement Standards