Add, Subtract, Multiply, & Divide Rational Numbers

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 two rational numbers with different signs?

Back

When adding two rational numbers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

What is the result of -23.4 - 3.4?

Back

-26.8

Front

How do you subtract a negative rational number from a positive rational number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of -7.34 - (-5.51)?

Back

-1.83

Front

What does it mean to divide rational numbers?

Back

Dividing rational numbers involves finding how many times one number is contained within another.

Front

What is the quotient of -3.6 ÷ 0.06?

Back

-60

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 result of multiplying -5/8 by 2?

Back

-10/8 or -5/4.

Front

How do you find the overall change in field position when a team gains and loses yards?

Back

Write a sum of integers representing the gain and loss, e.g., 9 + (-22) = -13.