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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 taken4,865
Average score37.5%
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 Problem 
Solution
215 + 35
250
19 + 305
324
14 + 105
119
437 + 37
474
 Problem 
Solution
21 + 43
64
37 + 199
236
249 + 14
263
27 + 356
383
 Problem 
Solution
290 + 1
291
532 + 6
538
3 + 479
482
278 + 1
279
 Problem 
Solution
354 + 191
545
483 + 8
491
17 + 566
583
547 + 1
548
1 Comments
+1
Level 60
Aug 17, 2023
The division one is easier for me, strangely.