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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 taken4,880
Average score37.5%
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 Problem 
Solution
8 + 140
148
322 + 9
331
95 + 382
477
56 + 339
395
 Problem 
Solution
5 + 401
406
129 + 1
130
5 + 491
496
455 + 46
501
 Problem 
Solution
317 + 5
322
68 + 6
74
138 + 388
526
75 + 8
83
 Problem 
Solution
370 + 98
468
48 + 135
183
571 + 14
585
15 + 393
408
1 Comments
+1
Level 60
Aug 17, 2023
The division one is easier for me, strangely.