Adding Integers

Adding integers -same sign

100

4+4= 

8 

200

-13+(-10)= 

 -23 

300

-9+(-10)= 

-19 

400

-32+(-11)= 

-43 

500

What is the rule of adding integers with the same sign?

Add the numbers and keep their sign

Adding integers -same sign

100

10+8= 

18

200

30+(-10)= 

What is 20? 

300

-76+(-3)= 

What is -79? 

400

-90+(-16)= 

-106

500

The absolute value of - 11

What is 11?

Adding integers -different sign

100

9+(-3)= 

6

200

What is the rule of adding integers with different signs?

Subtract the numbers and take the sign of the bigger number.

300

-14+(4)=

-10

400

18+(-10)= 

8

500

10+(-5)= 

5 

Adding integers -different sign

100

-19+(20)=

1

200

What number can be added to -30 to have a sum of zero?

What is 30?

300

-340+(10)= 

-330

400

-500+10= 

-490

500

-343+13=

-330

Mixed practice

100

-18+3= 

-15

200

15+7=

22

300

7+(-4)=

What is 3?

400

-15+(-3)=

-18

500

-240+(-15)= 

-255

Random

100

A positive plus a positive equals

positive

200

Deposit means what operation/sign?

Add or positive

300

A negative plus a negative equals?

Negative

400

What is the McDonough Middle School mascot?

Warhawks

500

A negative plus a positive equals?

Positive if the sign of the greater absolute value is positive. Negative if the sign of the greater absolute value is negative.