Mental Math: Double-Digit Subtraction

4.0
(26 votes)10
English
Published
2 months ago

#1  Type answer  30 seconds  95% correct rate  

37 - 16 =

21

#2  Type answer  30 seconds  98% correct rate  

78 - 67 =

11

#3  Type answer  30 seconds  100% correct rate  

16 - 14 =

2

#4  Type answer  30 seconds  97% correct rate  

87 - 24 =

63

#5  Type answer  30 seconds  100% correct rate  

28 - 19 =

9

#6  Type answer  30 seconds  100% correct rate  

45 - 22 =

23

#7  Type answer  30 seconds  98% correct rate  

28 - 10 =

18

#8  Type answer  30 seconds  96% correct rate  

34 - 18 =

16

#9  Type answer  30 seconds  97% correct rate  

99 - 85 =

14

#10  Type answer  30 seconds  96% correct rate  

44 - 11 =

33

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