Slow Math - Addition Quiz

Beat the very slow clock by answering these randomly-generated addition problems in your head.

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Last updated: June 6, 2021

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First submitted	June 6, 2021
Times taken	739
Average score	95.0%
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Problem	Solution
275 + 9	284
52 + 239	291
61 + 23	84
44 + 156	200
53 + 239	292
47 + 384	431
23 + 443	466
286 + 54	340
370 + 75	445
273 + 22	295
200 + 9	209
297 + 36	333
43 + 144	187
63 + 112	175
94 + 478	572
40 + 325	365
3 + 593	596
529 + 32	561
38 + 339	377
18 + 397	415