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Fast Math - Randomized Addition in 30 Seconds

In just 30 seconds, answer these randomly-generated addition problems in your head.
This quiz changes every time you play!
Quiz by
Stewart
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Last updated: November 27, 2019
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First submittedApril 9, 2018
Times taken20,553
Average score43.8%
Rating4.60
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Keep scrolling down for answers and more stats ...
 Problem 
Solution
72 + 154
226
188 + 19
207
17 + 140
157
166 + 76
242
 Problem 
Solution
350 + 9
359
337 + 79
416
440 + 31
471
89 + 492
581
 Problem 
Solution
44 + 348
392
8 + 425
433
109 + 2
111
18 + 354
372
 Problem 
Solution
5 + 528
533
2 + 53
55
268 + 182
450
447 + 27
474
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1 Comments
+1
Level 63
Aug 17, 2023
The division one is easier for me, strangely.