Matching Pairs Integer Expression Match UpOnline version Match the expressions containing addition and subtraction of positive and negative number with their resulting answer. by Rachel Clarin 1 -4 + -7 2 -6 + 15 + 15 3 0- -5 4 9 - 4 - 17 5 19- -19 6 8-11 7 -5 - -12 8 -8 + -6 -3 7 5 -14 24 38 -12 -11