Integers, Rational Numbers, Absolute Value

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples: -3, 0, 5.

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: 1/2, -3, 4.75.

Front

What is absolute value?

Back

Absolute value is the distance of a number from zero on the number line, regardless of direction. Example: | -5 | = 5.

Front

How do you compare two integers?

Back

To compare two integers, use the symbols < (less than), > (greater than), or = (equal to). For example, -23 < -16.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero but in the opposite direction. Example: The opposite of 7 is -7.

Front

How do you represent a temperature below zero as an integer?

Back

A temperature below zero is represented as a negative integer. Example: 10 degrees below zero is -10.

Front

What is the number line?

Back

The number line is a straight line that represents numbers in order, with positive numbers to the right of zero and negative numbers to the left.

Front

How do you graph -3.5 on a number line?

Back

To graph -3.5, locate the point halfway between -3 and -4 on the number line.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'. For example, 5 > 3 means 5 is greater than 3.

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'. For example, -5 < -2 means -5 is less than -2.