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ACARA AC9M7N07, Adding and subtracting integers

Year 7 · 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.

Teach this code

Deliver a whole lesson on AC9M7N07 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.

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
12 + (-2) =
Answer: 10

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.

Integers worksheets

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