Estimating 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

Estimate the square root of 64.

Back

8

Front

What is the approximate value of √50?

Back

About 7.1

Front

If the area of a square is 100 square meters, what is the length of one side?

Back

10 meters

Front

Which two whole numbers is √30 between?

Back

5 and 6

Front

What is the square root of 36?

Back

6

Front

How do you estimate the square root of a number that is not a perfect square?

Back

Find the two perfect squares it lies between and estimate based on their square roots.

Front

What is the relationship between the area of a square and the length of its side?

Back

The area of a square is equal to the length of one side squared (A = side²).

Front

Estimate the square root of 80.

Back

About 8.9

Front

Which number has a square root between 8 and 9?

Back

Between 64 and 81, the number 72 has a square root between 8 and 9.