6.2A - Classifying Rational 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

Is 0.25 a rational number?

Back

Yes, 0.25 is a rational number because it can be expressed as 1/4.

Front

Is -7/4 a rational number?

Back

Yes, -7/4 is a rational number because it can be expressed as a fraction of two integers.

Front

What is the classification of the number 0?

Back

0 is classified as a whole number and also a rational number.

Front

Which of the following is not a rational number: 3, -2, √2, 1/2?

Back

√2 is not a rational number because it cannot be expressed as a fraction of two integers.

Front

What is the difference between whole numbers and integers?

Back

Whole numbers are non-negative numbers (0, 1, 2, 3, ...), while integers include all whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

Which number is an integer: 5.5, -3, 0.75, 2/3?

Back

-3 is an integer.

Front

What is the classification of the number -8?

Back

-8 is classified as an integer and a rational number.

Front

If a number is a whole number, is it also a rational number?

Back

Yes, all whole numbers are also rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

What does it mean for numbers to be sorted correctly?

Back

Numbers are sorted correctly when they are arranged in order from least to greatest or greatest to least.