Integers and Rational Numbers Review

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 are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero. Examples include 1/2, -3, and 0.75.

Front

How do you compare two integers?

Back

To compare two integers, look at their positions on the number line. The integer further to the right is greater.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction. For example, the opposite of 3 is -3.

Front

How do you order rational numbers?

Back

To order rational numbers, convert them to a common format (like decimals) and compare their values from least to greatest.

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, | -4 | = 4.

Front

What does it mean for a number to be negative?

Back

A negative number is less than zero and is located to the left of zero on the number line. Examples include -1, -2.5, and -10.

Front

What is the sum of two negative integers?

Back

The sum of two negative integers is always negative. For example, -3 + -2 = -5.

Front

What is the difference between two integers?

Back

The difference between two integers is found by subtracting one integer from another. For example, 5 - 3 = 2.

Front

How do you multiply two negative integers?

Back

The product of two negative integers is positive. For example, -2 * -3 = 6.