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ACARA AC9M5N06, Multiply and divide decimals by powers of 10

Year 5 ยท Number

Multiply and divide decimals by multiples of powers of ten without a calculator, using place value and multiplication facts.

Below are free printable maths worksheets that support AC9M5N06. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

Teaching guide

What students learn

Multiply and divide decimals by multiples of powers of ten without a calculator, using place value and multiplication facts.

234 = 2 hundreds + 3 tens + 4 ones
How to teach it

Connect decimals to place value and money (tenths, hundredths), line up the decimal points, and use a number line to compare and round.

Worked example
9.6 - 6.7 =
Answer: 2.9

Generated and checked in code, so it is correct.

Watch out for

Thinking a longer decimal is larger (0.45 > 0.5), and mis-aligning place value when adding.

Make a worksheet for AC9M5N06
More Year 5 Number codes: AC9M5N01 ยท AC9M5N02 ยท AC9M5N03 ยท AC9M5N04 ยท AC9M5N05 ยท AC9M5N07 ยท AC9M5N08 ยท AC9M5N09
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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.