Adding Positive and Negative Numbers

Front

1 + (-9)

Back

-8

Front

(-9) + 7

Back

-2

Front

(-3) + 7

Back

4

Front

Which of the following sums are additive inverses? 8+8, 8+0, 8+(−8), −8+(−8)

Back

8+(−8)

Front

(-8) + 7

Back

-1

Front

What is an additive inverse?

Back

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

Front

What is the sum of a positive number and a negative number?

Back

The sum depends on the absolute values; subtract the smaller absolute value from the larger one and keep the sign of the number with the larger absolute value.

Front

What is the result of 5 + (-3)?

Back

2

Front

What is the result of -4 + 4?

Back

0

Front

What is the result of -10 + 3?

Back

-7