Subtracting -- with negative numbers

 
 -7 —  9 = _____ -3 — -3 = _____  6 —  4 = _____     -16   0   2


  0 —  2 = _____  6 — -1 = _____  9 —  7 = _____      -2   7   2


 -1 —  8 = _____  1 —  3 = _____  0 — -4 = _____      -9   -2   4


  4 —  2 = _____  7 — -8 = _____ -1 — -1 = _____      2   15   0


  3 — -1 = _____ -4 —  7 = _____  6 —  5 = _____      4  -11   1


  2 — -1 = _____  1 —  1 = _____  5 — -1 = _____      3   0   6


 -7 — -9 = _____  8 — -5 = _____ -8 — -4 = _____      2   13   -4


 -7 —  0 = _____  8 — -9 = _____ -6 — -1 = _____      -7   17   -5


  0 —  2 = _____  3 —  1 = _____ -6 — -9 = _____      -2   2   3


 -3 — -2 = _____ -7 — -3 = _____  5 —  8 = _____      -1   -4   -3


  1 — -4 = _____ -4 — -9 = _____  2 —  0 = _____      5   5   2


 -8 — -2 = _____  5 — -2 = _____ -9 —  7 = _____      -6   7  -16


Lines = 12  Problems = 36  Number Correct _____ Number Wrong _____