ACARA AC9M8N01, Irrational numbers
Year 8 · Number
Recognise irrational numbers in real contexts, including square roots and pi.
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Teaching guide
Recognise irrational numbers in real contexts, including square roots and pi.
Contrast rationals (which stop or repeat as decimals) with irrationals such as the square root of 2 and pi (which run on without repeating), placing examples on a number line.
Thinking a rounded decimal for pi is its exact value, and assuming every square root is irrational.
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Make a worksheetAustralian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.