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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 taken6,016
Average score43.8%
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 Problem 
Solution
145 + 258
403
91 + 343
434
54 + 79
133
105 + 11
116
 Problem 
Solution
1 + 183
184
6 + 201
207
4 + 454
458
5 + 243
248
 Problem 
Solution
355 + 231
586
69 + 134
203
68 + 321
389
205 + 9
214
 Problem 
Solution
573 + 17
590
6 + 121
127
302 + 127
429
485 + 1
486
1 Comments
+1
Level 62
Aug 17, 2023
The division one is easier for me, strangely.