HM6 Topic 7 Rational Number Operations

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

What is the sum of two negative rational numbers?

Back

The sum of two negative rational numbers is always a negative rational number.

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 -½ + -½?

Back

-1

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.

Front

What is the product of two negative rational numbers?

Back

The product of two negative rational numbers is a positive rational number.

Front

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

Back

Dividing a rational number by a negative rational number results in a negative rational number.

Front

What is the height of a roller coaster that descends from 90 feet to 105 feet below ground level?

Back

-15 feet

Front

How many servings are in 36 cups of water if each serving is ¾ of a cup?

Back

48 servings

Front

What is the sum of 7.9 and 18.72?

Back

26.62