Rational Number Word Problems - 7.NS.3

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 add a positive and a negative rational number?

Back

To add a positive and a negative rational number, subtract the absolute values and take the sign of the number with the larger absolute value.

Front

What is the result of adding two negative numbers?

Back

The result of adding two negative numbers is always a negative number.

Front

How do you subtract a rational number from another rational number?

Back

To subtract a rational number, add its opposite. For example, a - b is the same as a + (-b).

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. It is always non-negative.

Front

How do you find the difference between two negative numbers?

Back

To find the difference between two negative numbers, subtract their absolute values and the result will be negative.

Front

What is the process to convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

How do you multiply two rational numbers?

Back

To multiply two rational numbers, multiply their numerators together and their denominators together.

Front

What is the reciprocal of a rational number?

Back

The reciprocal of a rational number is obtained by flipping the numerator and denominator. For example, the reciprocal of 3/4 is 4/3.

Front

How do you divide a rational number by another rational number?

Back

To divide a rational number by another, multiply by the reciprocal of the divisor.