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ONE MINUTE TIMED DRILL - ADDING 9S ANSWER GUIDE |
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Add the two numbers to find the sum. |
| 1+9= 10 | 9+7= 16 | 9+2= 11 | 9+9= 18 | 3+9= 12 | 8+9= 17 | 0+9= 9 | (7 | |||||||
| 9+9= 18 | 1+9= 10 | 2+9= 11 | 9+7= 16 | 9+9= 18 | 9+2= 11 | 4+9= 13 | (14 | |||||||
| 1+9= 10 | 2+9= 11 | 1+9= 10 | 10+9= 19 | 9+4= 13 | 9+7= 16 | 3+9= 12 | (21 | |||||||
| 4+9= 13 | 9+9= 18 | 9+9= 18 | 3+9= 12 | 10+9= 19 | 0+9= 9 | 9+8= 17 | (28 | |||||||
| 9+2= 11 | 2+9= 11 | 10+9= 19 | 3+9= 12 | 9+7= 16 | 0+9= 9 | 2+9= 11 | (35 | |||||||
| 9+4= 13 | 9+9= 18 | 1+9= 10 | 6+9= 15 | 9+5= 14 | 2+9= 11 | 8+9= 17 | (42 | |||||||
| 3+9= 12 | 9+7= 16 | 9+9= 18 | 9+9= 18 | 9+9= 18 | 2+9= 11 | 1+9= 10 | (49 | |||||||
| 3+9= 12 | 9+9= 18 | 1+9= 10 | 7+9= 16 | 6+9= 15 | 2+9= 11 | 9+9= 18 | (56 | |||||||
| 4+9= 13 | 9+2= 11 | 9+4= 13 | 9+1= 10 | 9+9= 18 | 9+6= 15 | 9+3= 12 | (63 | |||||||
| 9+9= 18 | 10+9= 19 | 0+9= 9 | 10+9= 19 | 9+7= 16 | 9+2= 11 | 9+8= 17 | (70 | |||||||
| 0+9= 9 | 9+1= 10 | 9+7= 16 | 8+9= 17 | 1+9= 10 | 10+9= 19 | 9+9= 18 | (77 | |||||||
| 0+9= 9 | 9+9= 18 | 0+9= 9 | 1+9= 10 | 3+9= 12 | 9+9= 18 | 2+9= 11 | (84 | |||||||
| 7+9= 16 | 9+8= 17 | 10+9= 19 | 0+9= 9 | 9+9= 18 | 9+2= 11 | 9+9= 18 | (91 | |||||||
| 9+5= 14 | 10+9= 19 | 6+9= 15 | 10+9= 19 | 9+9= 18 | 0+9= 9 | 3+9= 12 | (98 | |||||||
| 9+9= 18 | 9+2= 11 | 4+9= 13 | 9+9= 18 | 1+9= 10 | 0+9= 9 | 9+8= 17 | (105 | |||||||
| (15) | (30) | (45) | (60) | (75) | (90) | (105) |
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