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Adding and subtracting within 1 mil
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%
0
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0
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8,384-2,475
5,909
Oops!
Okay!
56,296+45,028
101,324
Oops!
Okay!
224,836-100,376
124,460
Oops!
Okay!
7,346+5,068
12,414
Oops!
Okay!
437,299+204,816
642,115
Oops!
Okay!
17,349+16,932
34,281
Oops!
Okay!
547,751+298,490
846,241
Oops!
Okay!
839,894-450,912
388,982
Oops!
Okay!
88,389-51,477
36,912
Oops!
Okay!
74,592+33,479
108,071
Oops!
Okay!
93,846+153,937
247,783
Oops!
Okay!
123,456-78,910
44,546
Oops!
Okay!
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