Comparing and ordering Rational and irrational numbers

Front

What is a rational number?

Back

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

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

What is the square root of 64?

Back

8

Front

What type of number is 2.48?

Back

Rational (it is a terminating decimal).

Front

What is the approximate value of √40?

Back

Between 6 and 7.

Front

What is the approximate value of √237?

Back

Between 15 and 16.

Front

Order the following numbers from least to greatest: [10, -5, 3, 16, -1, 0, 1]

Back

-5, -1, 0, 1, 3, 10, 16.

Front

What is the decimal representation of 1/4?

Back

0.25 (which is a rational number).

Front

Is the number √2 rational or irrational?

Back

Irrational (it cannot be expressed as a fraction).

Front

What is the value of √81?

Back

9.