Rational numbers

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero. Examples include -3, -2, -1, 0, 1, 2, 3.

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. Examples include 1/2, -3, and 0.8.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -14 is 14.

Front

How do you represent -4 1/2 on a number line?

Back

-4 1/2 is represented to the left of zero on the number line, between -4 and -5.

Front

What is the absolute value of -7?

Back

The absolute value of -7 is 7.

Front

What is the difference between whole numbers and integers?

Back

Whole numbers are non-negative integers (0, 1, 2, 3, ...), while integers include both positive and negative whole numbers as well as zero.

Front

Can a decimal be a rational number?

Back

Yes, decimals can be rational numbers if they can be expressed as a fraction. For example, 0.8 is a rational number because it can be written as 4/5.

Front

What is the value of 3.5 on a number line?

Back

3.5 is located to the right of zero, halfway between 3 and 4 on the number line.

Front

What is the classification of the number 0?

Back

The number 0 is classified as an integer and a whole number.

Front

What is the sum of -3 and 5?

Back

The sum of -3 and 5 is 2.