root-first evaluation
What root-first evaluation means in Mathematics GCSE, as defined for AQA.
Definition of root-first evaluation
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Reference: AQA
Take the root first when the numbers are friendly, since the intermediate value stays small.
Topics that use root-first evaluation
- Structure and calculation (AQA GCSE)
Related terms
- Calculating with powers of 10
- Checking answers by substitution
- Checking for repeats and omissions
- Coefficient
- Conjugate
- Converting between ordinary and standard form
- Counting outcomes in context
- denominator
Using root-first evaluation in the exam
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