Show:
adding with negative numbers
adding with positive numbers
Subtracting with negative numbers
Subtracting with positive numbers
random


100

-12 + -19=??

-31

100

81+82=??

163

100

-21 - -53=??

32

100

54 - 3=??

51

100

Finish the lyrics! “Same signs add, different signs…”

Subtract!

200

-19 + -24=??

-43

200

24 + 19=??

43

200

-56 -(-17)=??

-39

200

123-123=?

0

200

-86 + -6=??

-92

300

-43 + -32=??

-75

300

56 + 28=??

84

300

12 -(-14)=??

26

300

40 - 8=??

32

300

30 - 30=??

0

400

-39 + -39=??

-78

400

37 + 57=??

94

400

solve= 

OOOOOOO=Negative 

OOOOO =positive         

-2

400

42 - 21=??

21

400

-72 -(24)=??

-96

500

-17 + -9=??

-26

500

410 + 381=??

791

500

-52 - (-5)=??

-47

500

75 - 61=??

14

500

-9 + (-8)16=??

-272