Adding and Subtracting Integers

Vocab

100

Absolute Value

The distance of a number from zero

200

Integer

Positive numbers, negative numbers, and zero

300

How do we change a subtraction problem to an addition problem?

Add the opposite / Add a line, change the sign / change - to + and the number to an opposite

400

What is this problem asking you to do?

|-6|

Find the absolute value of -6 = 6

500

6 and -6 are...

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|

2

200

Write an integer that represents the following situation:

Climbing 26 feet underground in a cave

-26

300

Complete the statement using < , > or =

|-8| ____ |3|

|-8| > 3

400

Temperatures in the Gobi Desert reach -40^o F in the winter, and 90^o F in the summer. Find the range of the temperatures.

130^o

500

-10 + (-2) - 5 + 6 - (-4)

-3