AQA · Mathematics · 8300
GCSE Maths: Number: square root
Number · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Number: square root (Corbettmaths Video 228), 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 is √9?
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3
What is √25?
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5
What is √100?
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10
What is √144?
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12
What is √0?
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0
What is √1?
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1
A square has an area of 225 cm². What is the length of one side?
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15 cm (because √225 = 15)
What is the square root of ten thousand?
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100
What is the square root of four million?
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2000
Between which two consecutive integers does √53 lie?
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Between 7 and 8 (because 7² = 49 and 8² = 64)
When you square root a number, is the answer always smaller than the original number?
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No. For numbers between 0 and 1, the square root is larger. For example, √0.25 = 0.5.
If you have a square floor with 196 square tiles, how many tiles are in each row?
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14 tiles (because √196 = 14)
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