Fast Math - Subtraction Quiz in 40 Seconds

In 40 seconds, which is 2 seconds per answer, try to beat the clock by answering these randomly-generated subtraction problems in your head.
Also try Photop's two-minute version with points
This quiz changes every time you play!
Quiz by
Jerry928
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Last updated: April 13, 2023
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First submittedApril 13, 2023
Times taken2,814
Average score60.0%
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problem
answer
9 - 2
7
11 - 9
2
59 - 29
30
84 - 14
70
64 - 5
59
85 - 41
44
42 - 13
29
92 - 87
5
80 - 39
41
57 - 50
7
26 - 17
9
87 - 85
2
24 - 6
18
55 - 54
1
42 - 21
21
50 - 49
1
62 - 23
39
49 - 44
5
75 - 66
9
94 - 87
7
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1 Comments
+1
Level 83
Apr 13, 2023
Still pretty easy in a minute. I reckon I can do it in 30 seconds... I'll be back...