Adding and Subtracting Integers

Vocab

100

Absolute Value

The distance of a number from zero

200

Integer

The set of whole numbers and their opposites.

300

Opposite

The opposite of a number is the same distance from zero as the original number just on the other side.

400

|-6|

Absolute value of -6 = 6

500

6 and -6

Opposites

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

How do you find the sum of numbers with different signs

Subtract and take the sign of the bigger number

500

-16+18+-17

-15

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

500

-10 - 11 - (-3)

-18

Mix

100

-2 - 3

-5

200

-10 + 30

20

300

21 - (+5)

16

400

Subtracting a negative is the same thing as...

Adding a positive

500

-10 + (-2) - 5

-17

review

100

GCF of 17 and 27

1

200

1/2 + 1/4

3/4

300

(2)² + 14 - 12 x 2

-6

400

The correct way to read: 56.345

fifty six and three hundred forty five thousandths

500

find the unit rate: 200 miles in .2 hours

1000 mph