Topic 1: Rational Number Operations Envision Review

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 result of multiplying a negative number by a positive number?

Back

The result is a negative number.

Front

What is the result of multiplying two negative numbers?

Back

The result is a positive number.

Front

If you have $5.50 and spend $1.05 and $1.45, how much do you have left?

Back

$3.00

Front

What expression represents the distance from -1 to -7 on a number line?

Back

-1 - 6

Front

How do you add two rational numbers with different denominators?

Back

Find a common denominator, convert the fractions, and then add the numerators.

Front

What is the additive inverse of a number?

Back

The additive inverse of a number is the number that, when added to the original number, results in zero.

Front

What is the product of 3/5 and 4/8?

Back

3/10

Front

How do you subtract a rational number from another?

Back

To subtract a rational number, add its additive inverse.

Front

What is the result of 2/3 divided by 4/5?

Back

10/12 or 5/6 after simplification.