Name____________________________________ Date__________| 1) 14 + 7 = 7 + 14 | 2) 22 + 0 = 22 |
| 3) 19 · 9 = 9 ·19 | 4) 18 + 0 = 18 |
| 5) 23 + 0 = 23 | 6) 6 + 0 = 6 |
| 7) 13 · (3 · 5) = (13 · 3) · 5 | 8) (5x + 4)3 = 15x + 12 |
| 9) 8/3 · 3/8 = 1 | 10) 5 · 1/5 = 1 |
| 11) 24 · 3 = 3 · 24 | 12) 21 + 0 = 21 |