Compare and Order Real Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

Give an example of a rational number.

Back

√25 is an example of a rational number because it equals 5, which can be expressed as 5/1.

Front

What is the smallest number among the following: A, B, C, D, E?

Back

D is the smallest number.

Front

Order the following from least to greatest: √16, -3, √23, 16/5, -4.5.

Back

-4.5, -3, 16/5, √16, √23.

Front

Which of the following numbers is rational: √8, √16, √50, √75?

Back

√16 is rational because it equals 4.

Front

Compare: √52 or 6.9.

Back

√52 is greater than 6.9.

Front

What is the square root of 25?

Back

The square root of 25 is 5.

Front

What is the value of 16/5 as a decimal?

Back

16/5 equals 3.2.

Front

Is -4.5 a rational number?

Back

Yes, -4.5 is a rational number because it can be expressed as -9/2.

Front

What is the approximate value of √23?

Back

The approximate value of √23 is about 4.8.