Number Line
Adding Rules
Adding Integers
Subtracting Integers
100
The number directly in the middle of the number line
What is 0
100
When you add two positive numbers the answer is always
positive
100
9+7
16
100
1-3
-2
200
The number that is the opposite of -10
What is 10
200
When you are adding and both numbers are negative the answer will always be
negative
200

-6+(-5)=

-11

200
-5-7
-12
300
Order these numbers from greatest to least 1, 0, -12, 100, -99
100, 1, 0, -12, -99
300
Write a problem showing the negative plus negative integer rule.
example -5+-5=-10
300
-10+3
-7
300

-14-(-7)=

-7

400
What number is smaller -45 or -34
-45
400
When you are adding a negative and a positive number what operation do you need to do?
subtract
400
-3+6
3
400

4-(-16)

20

500
Order these numbers from least to greatest -10, 10, 0, -9, 9
-10, -9, 0, 9, 10
500
When you are adding a negative and a positive number, will the answer be positive or negative?
Which ever number is bigger (further away from zero)
500

-5+(-5+6)

-4

500

-5+(-4-10)

-19

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