Integer Addition and Subtraction Review

Terms

100

The word "sum" refers to this mathematical operation.

What is addition?

200

"Difference" is another word for this operation.

What is subtraction?

300

When adding same signed integers, you should...

Sum (add) the numbers and keep the sign

400

When adding different signed integers you should...

Take the difference (subtract) the two numbers and keep the sign of the larger number

500

When subtracting two integers you should...

Keep, Change, Change

+ Same Sign

100

3+5

What is 8?

200

-5+(-4)

-9

300

-9+(-3)

-12

400

33+44

77

500

-24+(-38)

What is -62?

+ Different Sign

100

-4+9

What is 5?

200

8+(-4)

4

300

-6+2

-4

400

8+(-24)

What is -16?

500

-43+56

What is 13?

Subtraction

100

9-5

What is 4?

200

-8-7

What is -15?

300

-12-(-4)

What is -8?

400

43-(-17)

What is 60?

500

-85-67

What is -152?

Mystery Column

100

(-25) - 10

-35

200

(-25)- (-10)

-15

300

(-6) + 15 + (-5)

4

400

9-(-1)-12

-2

500

(-23)-62 +50

-35