ACARA AC9M5N08, Check reasonableness
Year 5 · Number
Use estimation strategies suited to the context to check and explain whether answers are reasonable, including money problems.
Below are free printable maths worksheets that support AC9M5N08. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.
Teaching guide
Use estimation strategies suited to the context to check and explain whether answers are reasonable, including money problems.
Use a number line to see which ten/hundred a number is closest to. Underline the rounding digit and check the digit to its right.
Generated and checked in code, so it is correct.
Rounding to the wrong place, and the exact-halfway case (5 rounds up) being applied inconsistently.
Rounding worksheets
All rounding worksheets →Sets A-F are the same worksheet with different questions - print any (or all) for fresh practice.
Money & Change worksheets
All money & change worksheets →Sets A-F are the same worksheet with different questions - print any (or all) for fresh practice.
Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.