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Adding Negative Numbers-No calculator
Multiplying Positive and Negative Numbers -no calculator
Algebra
100

-5+-10

10

100

-5x10

-50

100

5x when x=5

25

200

-15+-7=

-22

200

-5x-5

25

200

solve for x

x+5 when x=-5

0

300

-9+-9

-18

300

5 divided -5

-1

300

x+y when x=10 and y=6

16

400

-8+-8

-16

400

60 divided by -10

-6

400

solve for 9x+5x when x=1

14

500

-24+-9

-15

500

-77 divided by -11

7

500

10x+5y 

when x=-1 and y=2

0