ONE MINUTE TIMED DRILL - SUBTRACTING 9S ANSWER GUIDE

Subtract the two numbers to find the answer.  
    
18 - 9= 9 13 - 9= 4 9 - 9= 0 17 - 9= 8 14 - 9= 5 10 - 9= 1 19 - 9= 10 (7
 
16 - 9= 7 9 - 9= 0 13 - 9= 4 10 - 9= 1 17 - 9= 8 16 - 9= 7 18 - 9= 9 (14
12 - 9= 3 15 - 9= 6 10 - 9= 1 12 - 9= 3 13 - 9= 4 12 - 9= 3 9 - 9= 0 (21
11 - 9=  2 9 - 9= 0 13 - 9= 4 14 - 9= 5 10 - 9= 1 12 - 9= 3 15 - 9= 6 (28
13 - 9= 4 13 - 9= 4 11 - 9= 2 9 - 9= 0 16 - 9= 7 13 - 9= 4 10 - 9= 1 (35
9 - 9= 0 12 - 9= 3 18 - 9= 9 17 - 9= 8 9 - 9= 0 11 - 9= 2 15 - 9= 6 (42
16 - 9= 7 9 - 9= 0 16 - 9= 7 12 - 9= 3 13 - 9= 4 9 - 9= 0 10 - 9= 1 (49
19 - 9= 10 12 - 9= 3 9 - 9= 0 14 - 9= 5 16 - 9= 7 13 - 9= 4 9 - 9= 0 (56
 
15 - 9= 6 10 - 9= 1 10 - 9= 1 9 - 9= 0 10 - 9= 1 12 - 9= 3 18 - 9= 9 (63
9 - 9= 0 14 - 9= 5 13 - 9= 4 16 - 9= 7 9 - 9= 0 9 - 9= 0 19 - 9= 10 (70
9 - 9= 0 11 - 9= 2 13 - 9= 4 9 - 9= 0 11 - 9= 2 9 - 9= 0 10 - 9= 1 (77
12 - 9= 3 9 - 9= 0 16 - 9= 7 18 - 9= 9 12 - 9= 3 10 - 9= 1 13 - 9= 4 (84
15 - 9= 6 18 - 9= 9 9 - 9= 0 19 - 9= 10 12 - 9= 3 14 - 9= 5 11 - 9= 2 (91
17 - 9= 8    9 - 9= 0 10 - 9= 1 12 - 9= 3 15 - 9= 6 18 - 9= 9 16 - 9= 7 (98
18 - 9= 9 9 - 9= 0 13 - 9= 4 17 - 9= 8 9 - 9= 0 10 - 9= 1 14 - 9= 5 (105
 
(15) (30)  (45) (60) (75) (90)  (105)
  

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