Please make sure to pick the correct answer you want. You MUST show your work. Remember to round to the nearest 10 or 100 to check your work.
671 + 617
1289
1288
1188
1299
16 + 97
114
103
104
113
847 + 248
1089
1095
1094
1099
44 + 35
79
78
77
76
214 + 483
687
698
697
597
946 + 878
1724
1823
1824
1814
248 + 63
312
211
212
311
427 + 799
1226
1225
1126
1125
78 + 85
153
162
163
152
999 + 987
1886
1976
1988
1986