Year 9 maths · C.16 · Square roots and cube roots
Round cube roots to the nearest whole number
Find the whole numbers on either side, then decide which is nearer.
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Round ∛156 to the nearest whole number.
Answer: 5
Round ∛84 to the nearest whole number.
Answer: 4
Round ∛133 to the nearest whole number.
Answer: 5
Tip: Find the whole numbers on either side, then decide which is nearer.
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