Adding and Subtracting Integers

Vocab

100

Set of whole numbers and their opposites. 

Integers

200

Numbers greater than zero on a number line.

Positive Integers

300

Numbers less than zero on a number line.

Negative Integers

400

The number of units or spaces away from zero a number is. 

Absolute Value

500

l-3l  +  l-9l  -  12

0

Solving 1

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

What is the rule for Same Signs

Add and Keep the Sign

500

-16+18+-17

-15

Solving 2

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

500

-10 - 11 - (-3)

-18

Solving 3 (Double Negatives)

100

2 - - 3

5

200

-10 - (-30)

20

300

-21 - (-5)

-16

400

What is the Rule for Different Signs?

Subtract and keep the sign of the larger number. 

500

-10 + (-2) - - 5

-7

Miscellaneous

100

-6 + - 4 - 3

-13

200

24.333333333333

Rational or Irrational

Rational

300

678 + 929

1607

400

4 x (2 + 1) - 15

-3

500

What are the answers to each type of problem called? Addition, Subtraction, Multiplication, and Division?

Sum, Difference, Product, Quotient