Addition
142+398
440
51-31
20
12x12
144
36 divided by 9
4
3+(4x5)=
23
309+76
385
120-40
80
12x20
240
144 divided by 12
12
15x(9+6)
325
287+65
352
250-61
189
20x210
4,200
510 divided by 5
102
5x(9-2)
35
578+68
646
980-798
182
20x510
10,200
1,000 divided by 5
200
9-3+4
-2
835+356
1,191
1,091-252
839
35x560
19,600
2,000 divided by 10
200
73x(5+2)
511