-15 + 9 =
Diff signs = subtract
Pick bigger # and take that sign
Answer = -6
156 + 232 + 10 =
Answer = 398
-4 - 6 =
Answer = -10
456 - 100 =
Answer = 356
67 + (-40) =
Diff signs = subtract
Pick bigger # and take that sign
Answer = 27
132 + 67 + 11 =
Answer = 210
4 - 11 =
K C F
Answer = -7
753 - 341 =
Answer = 412
-132 + 20 =
Diff signs = subtract
Pick bigger # and take that sign
Answer = -112
450 + 450 + 450 =
Answer = 1,350
15 - (-7) =
K C F
Answer = 22
358 - 129 =
Answer = 229
67 + (-80) =
Diff signs = subtract
Pick bigger # and take that sign
Answer = -13
-40 + -89 =
Answer = -129
-27 - (-3)
K C F
Answer = -24
305 - 98 =
Answer = 207
0 + (-130) =
Diff signs = subtract
Pick bigger # and take that sign
Answer = -130
-32 + -180 =
Answer = -212
-10 - 11 =
K C F
Answer = -21
1434 - 205 =
Answer = 1,229