Integers and Rational Numbers Review

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you compare two integers?

Back

To compare two integers, determine their positions on the number line; the one further to the right is greater.

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, |5| = 5 and |-5| = 5.

Front

What does it mean for two numbers to be opposites?

Back

Two numbers are opposites if they are the same distance from zero on the number line but on opposite sides. For example, 5 and -5 are opposites.

Front

How do you write an inequality?

Back

An inequality is written using symbols like <, >, ≤, or ≥ to show the relationship between two values.

Front

What is the inequality comparing 4 and -6?

Back

The inequality is -6 < 4.

Front

Which number is farther from zero: 10 or -12?

Back

-12 is farther from zero than 10.

Front

What is the comparison symbol for | -8 | and -8?

Back

The comparison symbol is >, because |-8| = 8 and 8 > -8.

Front

How do you find the distance between two integers on a number line?

Back

To find the distance, subtract the smaller integer from the larger integer and take the absolute value of the result.