Walker Adding Positive and Negative Numbers

Front

What is a zero pair in addition?

Back

A zero pair is a pair of numbers that add up to zero, such as +1 and -1.

Front

How do you add a positive number to a negative number?

Back

Subtract the absolute value of the negative number from the positive number and keep the sign of the number with the larger absolute value.

Front

What is the result of -8 + 10?

Back

2

Front

How many zero pairs are in the expression -8 + 10?

Back

8

Front

What is -4 - 4?

Back

-8

Front

What is the result of -10 - 13?

Back

-23

Front

What is 4 + (-9)?

Back

-5

Front

What is -10 + (-3)?

Back

-13

Front

What does it mean to add two negative numbers?

Back

When you add two negative numbers, the result is a negative number with a value equal to the sum of their absolute values.

Front

What is the rule for subtracting a negative number?

Back

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