| Addition | Subtraction | Multiplication | Division | Square | 
|---|---|---|---|---|
| 
					  4					 
					 4+0 | 
					  16					 
					 19-3 | 
					  144					 
					 12x12 | 
					  12					 
					 144 / 12 | 
					  1					 
					 1^2 | 
| 
					  22					 
					 21+1 | 
					  23					 
					 32-9 | 
					  0					 
					 2x0 | 
					  0					 
					 0 / 2 | 
					  49					 
					 7^2 | 
| 
					  100					 
					 92+8 | 
					  42					 
					 49-7 | 
					  2					 
					 2x1 | 
					  1					 
					 2 / 2 | 
					  4					 
					 2^2 | 
| 
					  75					 
					 51+24 | 
					  72					 
					 76-4 | 
					  6					 
					 2x3 | 
					  3					 
					 6 / 2 | 
					  100					 
					 10^2 | 
| 
					  71					 
					 67+4 | 
					  48					 
					 54-6 | 
					  10					 
					 2x5 | 
					  5					 
					 10 / 2 | 
					  144					 
					 12^2 |