| 1 | 36 - 17= | 2 | 49 + 1= | 3 | 35 + 13= | 4 | 36 - 27= | ||||
| 5 | 3 + 39= | 6 | 46 + 1= | 7 | 48 - 3= | 8 | 23 + 23= | ||||
| 9 | 14 - 8= | 10 | 49 - 3= | 11 | 31 - 18= | 12 | 43 - 32= | ||||
| 13 | 33 - 3= | 14 | 40 - 37= | 15 | 3 + 14= | 16 | 32 - 6= | ||||
| 17 | 3 + 45= | 18 | 19 + 12= | 19 | 14 + 3= | 20 | 38 - 20= | ||||
Mathetic Practice
G1_2: operations of add&subt practice within 50
0
0
0%
0
