Adding and Subtracting in the Negatives Mr. Sayles

Addition

100

-4+8

4

200

-10+5

-5

300

-17+1

-16

400

-20+5

-15

500

-102+2

-100

Subtraction

100

6-9

-3

200

-4-4

-8

300

-10-6

-16

400

10-30

-20

500

-20-5

-25

Mixed Addition+Subtraction

100

3-10

-7

200

-3+7

4

300

-12+4

-8

400

-18-4

-24

500

1-12

-11

Out Loud

100

4-6

Say the problem and the answer.

Four minus six equals negative two.

200

Say the problem and answer: 

-8+7

Negative eight plus seven equals negative one

300

Say the problem and answer:

-4-8

Negative four minus eight equals negative twelve

400

Say the problem and answer: 

-100+50

Negative one hundred plus fifty equals negative fifty

500

Say the problem and answer:

-20-3

Negative twenty minus three equals negative twenty three