Addition
321+79
400
12X9
108
144/12
12
1/10 as a decimal
.1
493-87
406
72+19
91
7x12
84
25/5
5
1/100 as a decimal
.01
9x8
72
87+23
100
6x7
42
136/8
17
1/1000
244/4
61
347+123
470
9x9
81
140/5
28
23/100 as a decimal
.23
2367-392
1975
1237+197
1434
12x12
144
405/5
81
.1+.002+.02=
.122
23x9
207