Adding and Subtracting Negative Numbers

Front

What is the result of 5 - (-20)?

Back

25

Front

What is the result of (-70) + 25?

Back

-45

Front

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

Back

-2

Front

A fish is 20 feet below sea level. It swims down 10 feet and then swims up 8 feet. What is the fish's depth now?

Back

22

Front

What is the result of -6 + 7?

Back

1

Front

What does it mean to subtract a negative number?

Back

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

Front

What is the rule for adding two negative numbers?

Back

When adding two negative numbers, the result is negative and you add their absolute values.

Front

What is the rule for adding a positive number and a negative number?

Back

When adding a positive number and a negative number, 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 -10 - 5?

Back

-15

Front

What is the result of -15 + (-10)?

Back

-25