Estimating Square Roots

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 number?

Back

Front

What is the square of an integer?

Back

The square of an integer is the result of multiplying the integer by itself. For example, the square of 4 is 16, because 4 x 4 = 16.

Front

What is the relationship between square roots and perfect squares?

Back

Front

Back

Front

Which number has a square root between 3 and 4?

Back

Front

What is the square root of a negative number?

Back

Front

How do you find the square root of a number using a number line?

Back

To find the square root of a number using a number line, locate the two consecutive integers whose squares are closest to the number. The square root lies between these two integers.

Front

What is the square root of 50?

Back

Front

Which number has a square root between 9 and 10?

Back