Maths Quiz - Level 3-4 Algebra - Square Numbers (Answers)
In your KS3 Maths adventures, you've probably bumped into powers – those small numbers hanging out above and to the right of another number. We even did a quiz on it! Powers are like secret codes, telling you to multiply a number by itself as many times as the power says. The superstar power in algebra (and the one you'll come across most often) is the square.
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The square is like the basic power move, just asking you to multiply a number by itself once. So, if you've nailed your times tables, you've got square numbers in the bag. 12 is 1 x 1, 22 is 2 x 2, 32 is 3 x 3, and so on.
Test your square number savvy in this quiz. Take it easy, read each question carefully, and peek at the comments after. They're like little guides to clear up any doubts. Let's see what you remember!
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You can find more about this topic by visiting BBC Bitesize - What are square and cube numbers
You might say '3 to the power of 2' but it is more usual to say '3 squared'
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Multiply 3 by itself (3) and you get 9
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1 x 1 = 1
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No matter how many times you multiply 0 x 0 it will still be 0!
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Can you see why the number of tiles might be referred to as 72?
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3 x 3 is 9; 4 x 4 is 16
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6 x 6 is 36; 5 x 5 is 25
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A square number (also called a perfect square) is a positive whole number that is formed by multiplying a whole number with itself. For example, 16 = 4 x 4; 1 = 1 x 1; 1,681 = 41 x 41, and so on
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64 is 8 x 8; on one side it has 7 x 7 (49) and on the other side it has 9 x 9 (81)
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