Add
500+400=
900
300-9=
291
50X5=
250
40+6=
46
600-40=
560
300+600=
900
4,690-680=
4,010
100X6=
600
80X5=
400
12X3=
36
6,934+69=
7,003
10,469-358=
10,111
300X6=
1,800
30,675+3,322=
33,997
15X5=
75
10,900+98=
10,998
70,965-60,713
10,252
3,000X5=
15,000
15X20
300
30,598-487
30,111
100,576+300=
100,876
100,908-706
100,202
30,000X3=
90,000
30,300+390=
30,690
60X9=
540