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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 taken4,899
Average score37.5%
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 Problem 
Solution
16 + 169
185
40 + 299
339
14 + 218
232
182 + 317
499
 Problem 
Solution
421 + 46
467
47 + 547
594
303 + 92
395
155 + 441
596
 Problem 
Solution
95 + 86
181
165 + 49
214
6 + 409
415
265 + 35
300
 Problem 
Solution
51 + 14
65
22 + 142
164
4 + 205
209
4 + 267
271
1 Comments
+1
Level 60
Aug 17, 2023
The division one is easier for me, strangely.