Squares and Square Roots

Front

What is a square number?

Back

A square number is an integer that is the square of an integer. For example, 1, 4, 9, 16, and 25 are square numbers because they can be expressed as 1^2, 2^2, 3^2, 4^2, and 5^2 respectively.

Front

What is a square root?

Back

A square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3, because 3 x 3 = 9.

Front

How do you estimate the square root of a non-perfect square?

Back

To estimate the square root of a non-perfect square, find the two consecutive whole numbers between which the square root lies. For example, for √50, it lies between 7 (7^2=49) and 8 (8^2=64).

Front

What is the square root of 625?

Back

The square root of 625 is 25, because 25 x 25 = 625.

Front

What is the relationship between squares and square roots?

Back

The square root of a number is the inverse operation of squaring that number. If x is a number, then √(x^2) = x.

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Back

The value is 26.

Front

What is the square of 25?

Back

The square of 25 is 625, because 25 x 25 = 625.

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