ACARA AC9M10N01, Approximation in calculations
Year 10 · Number
Recognise how using approximations of real numbers in repeated calculations affects the result compared with exact values.
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Teaching guide
Recognise how using approximations of real numbers in repeated calculations affects the result compared with exact values.
Compare a chain of calculations done with rounded values against one done with exact values, and see how small approximations build up across repeated steps.
Rounding too early in a multi-step calculation, which grows the error in the final answer.
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