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ACARA AC9M7N07, Adding and subtracting integers

Year 7 ยท Number

Compare and order integers, and solve problems that add and subtract positive and negative whole numbers.

Below are free printable maths worksheets that support AC9M7N07. 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

Compare and order integers, and solve problems that add and subtract positive and negative whole numbers.

How to teach it

Use a horizontal or vertical number line through zero (temperature, sea level) to order negatives and model moving up and down.

Worked example
(-3) ร— 6 =
Answer: -18

Generated and checked in code, so it is correct.

Watch out for

Thinking -8 is greater than -3 because 8 > 3, and losing track of direction when crossing zero.

Make a worksheet for AC9M7N07
More Year 7 Number codes: AC9M7N01 ยท AC9M7N02 ยท AC9M7N03 ยท AC9M7N04 ยท AC9M7N05 ยท AC9M7N06 ยท AC9M7N08 ยท AC9M7N09
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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.