Mental Math: Single-Digit Addition

3.6
(12 votes)10
English
Published
2 months ago

#1  Type answer  30 seconds  96% correct rate  

2 + 6 =

8

#2  Type answer  30 seconds  95% correct rate  

7 + 9 =

16

#3  Type answer  30 seconds  98% correct rate  

3 + 8 =

11

#4  Type answer  30 seconds  100% correct rate  

1 + 4 =

5

#5  Type answer  30 seconds  100% correct rate  

6 + 8 =

14

#6  Type answer  30 seconds  100% correct rate  

7 + 6 =

13

#7  Type answer  30 seconds  100% correct rate  

9 + 9 =

18

#8  Type answer  30 seconds  99% correct rate  

6 + 5 =

11

#9  Type answer  30 seconds  97% correct rate  

4 + 5 =

9

#10  Type answer  30 seconds  98% correct rate  

9 + 1 =

10

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