P3 Subtracting Integers (integers)

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does subtracting a negative number mean?

Back

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

Front

What is the result of 5 - 2?

Back

3

Front

How can you express 12 - 20 as an addition problem?

Back

12 + (-20)

Front

What is the result of 8 - 9 + (-7)?

Back

-8

Front

What is the rule for subtracting integers?

Back

Keep the first number, change subtraction to addition, and take the opposite of the second number.

Front

What is 19 - (-19)?

Back

38

Front

What is the result of 10 - 4?

Back

6

Front

What is the result of -3 - 5?

Back

-8

Front

What is the result of -7 - (-2)?

Back

-5