AQA · Mathematics · 8300
GCSE Maths: Number: cubing a number
Number · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Number: cubing a number (Corbettmaths Video 213), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.
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The notation 5³ is read as 5 ?.
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cubed
What does 4³ mean as a multiplication?
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4 × 4 × 4
What is the value of 2³?
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8
What is the value of 5³?
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125
What is the value of 10³?
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1000
What is the value of (−2)³?
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−8
Is the statement 'if you cube a number the answer is always bigger' true?
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No. For example, 0.5³ = 0.125 (smaller than 0.5) and (−2)³ = −8 (smaller than −2).
What is the cube root of 64?
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4
What is the cube root of 27?
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3
Is 729 both a square number and a cube number?
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Yes. 729 = 27² and 729 = 9³.
Is the difference between two consecutive cube numbers always odd?
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Yes. The difference n³ − (n−1)³ always produces an odd number.
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