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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 taken4,885
Average score37.5%
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 Problem 
Solution
256 + 59
315
230 + 59
289
82 + 14
96
20 + 271
291
 Problem 
Solution
426 + 58
484
395 + 63
458
4 + 163
167
30 + 514
544
 Problem 
Solution
37 + 369
406
78 + 59
137
427 + 5
432
62 + 263
325
 Problem 
Solution
58 + 408
466
242 + 61
303
14 + 469
483
193 + 333
526
1 Comments
+1
Level 60
Aug 17, 2023
The division one is easier for me, strangely.