Estimating Square Roots

Front

What is the square root of a number?

Back

The square root of a number is a value that, when multiplied by itself, gives the original number.

Front

What is the approximate value of √44?

Back

Between 6 and 7.

Front

How do you estimate the square root of a number?

Back

Find two consecutive whole numbers between which the number lies, then determine which whole number it is closer to.

Front

What is the square root of 59?

Back

Between 7 and 8.

Front

What is the square root of 20?

Back

Between 4 and 5.

Front

What is the approximate value of √8?

Back

Between 2 and 3, and closer to 3.

Front

What is the relationship between perfect squares and square roots?

Back

A perfect square is a number that is the square of an integer, and its square root is that integer.

Front

What is the perfect square of 4?

Back

16, because 4 x 4 = 16.

Front

What is the perfect square of 5?

Back

25, because 5 x 5 = 25.

Front

What is the perfect square of 6?

Back

36, because 6 x 6 = 36.