This task is about square numbers and name their square roots.
Forty-nine is a square number because we can write the equation: 7 × 7 = 49.
| a) | i) | Which of these is also a square number? (Circle one) | ||||||||||
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(A) (B) (C) (D) (E) |
11 17 22 25 31 |
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ii)
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Write the equation which shows that the number you chose is a square number.
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| b) | i) | Which of these numbers is a square number? (Circle one) | ||||||||||
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(A) (B) (C) (D) (E) |
54 64 76 84 99 |
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ii)
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Write the equation which shows that the number you chose is a square number.
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| c) |
Name two other square numbers under 100, and write the equations that show these numbers are square.
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