ACARA AC9M2A01, Growing and shrinking patterns

Year 2 · Algebra

Recognise, describe and create patterns that grow or shrink by a constant amount using numbers, shapes and objects, and find missing parts of the pattern.

Below are free printable maths worksheets that support AC9M2A01. 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 AC9M2A01 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.

Skip counting and number patterns

Grade 2 (ages 7 to 8)

Teaching guide

What students learn

Recognise, describe and create patterns that grow or shrink by a constant amount using numbers, shapes and objects, and find missing parts of the pattern.

How to teach it

Identify the repeating unit or the rule (add 3, double), extend it, and describe it in words. Build growing patterns with materials.

Worked example

13, 11, 9, 7, ___

Answer: 5

Generated and checked in code, so it is correct.

Watch out for

Noticing only the first step of a rule, or continuing by appearance rather than the underlying rule.