Integers and Rational Numbers - Unit 1

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 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 include 1/2, -3, and 0.

Front

What does it mean for a number to be less than 0?

Back

A number less than 0 is called a negative number. It is located to the left of 0 on the number line.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from 0 on the number line, regardless of direction. For example, |-23| = 23.

Front

How do you represent sea level in integers?

Back

Sea level is represented as 0 in integers.

Front

What does a negative number represent in real-life situations?

Back

Negative numbers can represent values below a reference point, such as temperatures below freezing or depths below sea level.

Front

On a number line, which number is greater: -1 or -4?

Back

-1 is greater than -4 because it is to the right of -4 on the number line.

Front

What is the significance of 0 on a number line?

Back

0 serves as the dividing point between positive and negative numbers on a number line.

Front

If a rod is 25 feet above ground and -10 feet below ground, what does 0 feet represent?

Back

0 feet represents the point where the rod enters the ground.

Front

What is the result of evaluating |-23|?

Back

The result of evaluating |-23| is 23.