Mental Math: Single-Digit Subtraction

5.0
(3 votes)10
English
Published
2 months ago

#1  Type answer  30 seconds  92% correct rate  

7 - 4 =

3

#2  Type answer  30 seconds  100% correct rate  

3 - 2 =

1

#3  Type answer  30 seconds  100% correct rate  

9 - 4 =

5

#4  Type answer  30 seconds  100% correct rate  

6 - 2 =

4

#5  Type answer  30 seconds  100% correct rate  

8 - 8 =

0

#6  Type answer  30 seconds  100% correct rate  

5 - 3 =

2

#7  Type answer  30 seconds  100% correct rate  

2 - 1 =

1

#8  Type answer  30 seconds  100% correct rate  

6 - 5 =

1

#9  Type answer  30 seconds  100% correct rate  

9 - 6 =

3

#10  Type answer  30 seconds  100% correct rate  

7 - 2 =

5

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