ONE MINUTE TIMED DRILL - ADDING DOUBLE DIGITS - ELEVENS
ANSWER GUIDE
    

   Add the two numbers to find the sum. 

   
11+20= 31 11+11= 22 15+11= 26 11+11= 22 13+11= 24 15+11=  26 20+11= 31 (7
18+11= 29 12+11= 23 11+10= 21 14+11= 25  16+11= 27 17+11= 28  13+11= 24 (14
17+11= 28 11+10= 21 19+11= 30 16+11= 27 11+10= 21 11+19= 30 13+11= 24 (21
16+11=  27 12+11= 23 11+11= 22 13+11= 24 11+11= 22 15+11= 26    16+11= 27 (28
16+11=  27 20+11= 31 11+10= 21 18+11= 29 15+11= 26 19+11= 30 11+11= 22 (35
11+19= 30 15+11= 26 13+11= 24 11+17= 28 11+12= 23 11+14= 25 11+10= 21 (42
13+11= 24 18+11= 29 16+11= 27 19+11= 30 11+12= 23 17+11= 28 11+10= 21 (49
13+11= 24 11+11= 22 11+11= 22 16+11= 27 18+11= 28 11+12= 23 16+11= 27 (56
19+11= 30 11+17= 28 16+11= 27 15+11= 26 11+16= 27 11+16= 27 18+11= 29 (63
18+11= 29 11+10= 21 19+11= 30 11+11= 22 11+10= 21 18+11= 29 16+11= 27 (70
12+11= 23 11+12= 23 16+11= 27 18+11= 29 11+10= 21 11+11= 22 19+11= 30 (77
11+10= 21 11+12= 23 11+11= 22 11+11= 22 13+11= 24 19+11= 30 11+12= 23 (84
16+11= 27 11+11= 22 11+12= 23 11+10= 21 15+11= 26 15+11= 26 19+11= 30 (91
18+11= 29 11+12= 23 6+11= 17 11+12= 23 15+11= 26 11+10= 21 13+11=24 (98
16+11= 27 11+12= 23 19+11= 30 19+11= 30 11+10= 21 11+11= 22 11+12= 23 (105
(15) (30)  (45) (60) (75) (90)  (105)
  
  

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