New Activity
Play Matching Pairs

(+11)(−77)

20+(-36)+(-12)=

-10+(-3+33)=

  (+45):(−15)

(17-2+8)-(8+5)=

-8+[5-(-16)]=

(+2)⋅(+7)⋅(−3)(+2)⋅(+7)⋅(−3)

(-4)(3):(-2)

-12+[12+(-8)]=

13

-28

10

-8

6

-847

1764

20

-3