AQA · Mathematics · 8300
GCSE Maths: Number: square numbers
Number · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Number: square numbers (Corbettmaths Video 226), 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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What does the notation n² mean?
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n multiplied by itself (n × n)
What is 5²?
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25
What is 10²?
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100
A ? is the result of multiplying a whole number by itself
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square number
Is the statement "squaring a number always makes it bigger" correct?
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No. Counterexamples: 0² = 0 (not bigger), and squaring numbers between 0 and 1 makes them smaller (e.g., 0.5² = 0.25)
What is the square root of 36?
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6
What is 2.4²?
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5.76
Is 50 a square number?
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No. The square numbers near 50 are 49 (7²) and 64 (8²), so 50 cannot be a perfect square
Is the statement "when you square root a number, the answer is always smaller" correct?
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No. Counterexample: √0.25 = 0.5, which is larger than 0.25
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