Adding and Subtracting 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

What does it mean to add rational numbers?

Back

Adding rational numbers involves finding a common denominator (if necessary) and combining the numerators.

Front

What is the result of (-115) + 23?

Back

-92

Front

What is the result of -4.2 + 3.3?

Back

-0.9

Front

How do you find the sum of two negative rational numbers?

Back

To find the sum of two negative rational numbers, add their absolute values and keep the negative sign.

Front

What is the result of -2.61 + (-6.88)?

Back

-9.49

Front

What is the result of Mr. Smith's account balance after depositing $539.20 into -$275.78?

Back

$263.42

Front

Which equation describes the addition of two negative numbers: (-4) + (-6)?

Back

(-4) + (-6) = (-10)

Front

What is the rule for subtracting a negative number?

Back

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

Front

What is the result of 0 - (-4)?

Back

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