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 -40? 

300

-76+(-3)= 

What is -79? 

400

-90+(-16)= 

-106

500

what is the rule of adding integers with the same sign

Add the numbers and keep their sign

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 is the rule of adding integers with different signs?

Subtract the numbers and take the sign of the bigger number

300

-340+(10)= 

-330

400

-500+10= 

-490

500

-343+13=

-330

Mixed practice

100

-18+3= 

-15

200

23+8=

31

300

7+(-4)=

What is 3?

400

-15+(-3)=

-18

500

-240+(-15)= 

-255

level 6

100

A team gains 20 yards. Then they lose 7 yards.

20+(-7)=13

200

Roger owes his mom $5. He borrows another $6 from her.

-5+(-6)=-11

300

Jewel's score was 5 over par on the first 9 holes. Her score was 4 under par on the second 9 holes.

5+(-4)=1

400

A balloon rises 340 feet into the air. Then it descends 130 feet.

340+(-130)=210

500

A cyclist travels down a hill for 125 feet. Then she travels up a hill 50 feet.

-125+50 =-75