Statistics for Fast Math - Double That Number!

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General Stats
Answer Stats
Score Distribution
Your Score History

General Stats

This quiz has been taken 468,563 times
The average score is 12 of 20

Answer Stats

Number	Double	% Correct
5	10	94%
8	16	94%
7	14	93%
6	12	92%
9	18	92%
12	24	89%
22	44	88%
30	60	88%
51	102	87%
53	106	87%
60	120	87%
11	22	87%
13	26	87%
15	30	87%
70	140	86%
10	20	86%
18	36	86%
21	42	86%
24	48	86%
33	66	86%
40	80	86%
44	88	86%
50	100	85%
61	122	85%
90	180	85%
100	200	85%
14	28	85%
25	50	85%
31	62	85%
41	82	85%
43	86	85%
45	90	85%
700	1400	84%
101	202	84%
107	214	84%
20	40	84%
210	420	84%
26	52	84%
300	600	84%
32	64	84%
35	70	84%
55	110	83%
62	124	83%
80	160	83%
800	1600	83%
900	1800	83%
105	210	83%
111	222	83%
16	32	83%
42	84	83%
46	92	83%
54	108	82%
57	114	82%
71	142	82%
81	162	82%
82	164	82%
84	168	82%
91	182	82%
95	190	82%
102	204	82%
104	208	82%
110	220	82%
112	224	82%
140	280	82%
23	46	82%
27	54	82%
28	56	82%
400	800	82%
49	98	82%
52	104	81%
58	116	81%
63	126	81%
65	130	81%
121	242	81%
122	244	81%
130	260	81%
150	300	81%
17	34	81%
19	38	81%
250	500	81%
301	602	81%
303	606	81%
310	620	81%
440	880	81%
48	96	81%
600	1200	80%
64	128	80%
74	148	80%
75	150	80%
114	228	80%
120	240	80%
125	250	80%
131	262	80%
144	288	80%
200	400	80%
204	408	80%
212	424	80%
29	58	80%
330	660	80%
34	68	80%
36	72	80%
402	804	80%
411	822	80%
47	94	80%
500	1000	79%
502	1004	79%
72	144	79%
802	1604	79%
83	166	79%
92	184	79%
103	206	79%
106	212	79%
203	406	79%
220	440	79%
221	442	79%
222	444	79%
302	604	79%
304	608	79%
311	622	79%
37	74	79%
38	76	79%
39	78	79%
410	820	79%
501	1002	78%
511	1022	78%
530	1060	78%
56	112	78%
610	1220	78%
73	146	78%
85	170	78%
113	226	78%
141	282	78%
201	402	78%
202	404	78%
208	416	78%
211	422	78%
230	460	78%
307	614	78%
312	624	78%
313	626	78%
322	644	78%
333	666	78%
401	802	78%
404	808	78%
430	860	78%
503	1006	77%
505	1010	77%
509	1018	77%
520	1040	77%
550	1100	77%
601	1202	77%
602	1204	77%
604	1208	77%
66	132	77%
68	136	77%
710	1420	77%
820	1640	77%
93	186	77%
96	192	77%
99	198	77%
108	216	77%
109	218	77%
115	230	77%
124	248	77%
133	266	77%
142	284	77%
160	320	77%
206	412	77%
214	428	77%
305	610	77%
308	616	77%
320	640	77%
412	824	77%
444	888	77%
450	900	77%
506	1012	76%
510	1020	76%
512	1024	76%
59	118	76%
603	1206	76%
701	1402	76%
705	1410	76%
711	1422	76%
76	152	76%
77	154	76%
910	1820	76%
123	246	76%
145	290	76%
205	410	76%
207	414	76%
209	418	76%
213	426	76%
244	488	76%
331	662	76%
350	700	76%
414	828	76%
420	840	76%
422	844	76%
504	1008	75%
521	1042	75%
606	1212	75%
640	1280	75%
650	1300	75%
67	134	75%
69	138	75%
702	1404	75%
703	1406	75%
730	1460	75%
79	158	75%
801	1602	75%
810	1620	75%
901	1802	75%
97	194	75%
116	232	75%
126	252	75%
132	264	75%
135	270	75%
143	286	75%
152	304	75%
154	308	75%
180	360	75%
215	430	75%
223	446	75%
225	450	75%
232	464	75%
241	482	75%
260	520	75%
306	612	75%
309	618	75%
403	806	75%
405	810	75%
413	826	75%
540	1080	74%
605	1210	74%
611	1222	74%
612	1224	74%
630	1260	74%
704	1408	74%
707	1414	74%
720	1440	74%
750	1500	74%
803	1606	74%
840	1680	74%
902	1804	74%
94	188	74%
117	234	74%
151	302	74%
170	340	74%
190	380	74%
224	448	74%
231	462	74%
240	480	74%
290	580	74%
325	650	74%
340	680	74%
406	812	74%
407	814	74%
408	816	74%
415	830	74%
441	882	74%
442	884	74%
507	1014	73%
522	1044	73%
620	1240	73%
805	1610	73%
808	1616	73%
811	1622	73%
86	172	73%
88	176	73%
98	196	73%
134	268	73%
155	310	73%
199	398	73%
233	466	73%
251	502	73%
280	560	73%
425	850	73%
460	920	73%
508	1016	72%
515	1030	72%
622	1244	72%
740	1480	72%
804	1608	72%
806	1612	72%
87	174	72%
930	1860	72%
118	236	72%
129	258	72%
242	484	72%
299	598	72%
314	628	72%
323	646	72%
332	664	72%
344	688	72%
360	720	72%
370	740	72%
421	842	72%
432	864	72%
451	902	72%
514	1028	71%
525	1050	71%
551	1102	71%
607	1214	71%
608	1216	71%
609	1218	71%
850	1700	71%
905	1810	71%
920	1840	71%
950	1900	71%
153	306	71%
175	350	71%
235	470	71%
245	490	71%
321	642	71%
334	668	71%
341	682	71%
409	818	71%
416	832	71%
433	866	71%
480	960	71%
513	1026	70%
533	1066	70%
541	1082	70%
544	1088	70%
570	1140	70%
613	1226	70%
706	1412	70%
715	1430	70%
78	156	70%
904	1808	70%
911	1822	70%
119	238	70%
149	298	70%
161	322	70%
216	432	70%
217	434	70%
218	436	70%
270	540	70%
315	630	70%
423	846	70%
431	862	70%
445	890	70%
524	1048	69%
535	1070	69%
553	1106	69%
709	1418	69%
830	1660	69%
903	1806	69%
906	1812	69%
907	1814	69%
908	1816	69%
127	254	69%
316	632	69%
324	648	69%
351	702	69%
352	704	69%
380	760	69%
390	780	69%
424	848	69%
490	980	69%
560	1120	68%
614	1228	68%
644	1288	68%
722	1444	68%
822	1644	68%
909	1818	68%
922	1844	68%
128	256	68%
139	278	68%
162	324	68%
234	468	68%
252	504	68%
254	508	68%
342	684	68%
443	886	68%
499	998	68%
523	1046	67%
552	1104	67%
599	1198	67%
621	1242	67%
660	1320	67%
807	1614	67%
812	1624	67%
89	178	67%
940	1880	67%
136	272	67%
219	438	67%
226	452	67%
253	506	67%
335	670	67%
470	940	67%
519	1038	66%
531	1062	66%
542	1084	66%
580	1160	66%
590	1180	66%
615	1230	66%
625	1250	66%
633	1266	66%
670	1340	66%
708	1416	66%
712	1424	66%
760	1520	66%
770	1540	66%
809	1618	66%
813	1626	66%
912	1824	66%
970	1940	66%
156	312	66%
158	316	66%
164	328	66%
243	486	66%
249	498	66%
255	510	66%
317	634	66%
355	710	66%
399	798	66%
434	868	66%
435	870	66%
516	1032	65%
517	1034	65%
518	1036	65%
545	1090	65%
623	1246	65%
641	1282	65%
713	1426	65%
721	1442	65%
733	1466	65%
780	1560	65%
821	1642	65%
913	1826	65%
921	1842	65%
146	292	65%
165	330	65%
181	362	65%
236	472	65%
261	522	65%
318	636	65%
417	834	65%
418	836	65%
426	852	65%
452	904	65%
532	1064	64%
616	1232	64%
731	1462	64%
815	1630	64%
960	1920	64%
980	1960	64%
990	1980	64%
137	274	64%
148	296	64%
157	314	64%
228	456	64%
319	638	64%
326	652	64%
345	690	64%
354	708	64%
419	838	64%
618	1236	63%
642	1284	63%
699	1398	63%
814	1628	63%
833	1666	63%
844	1688	63%
880	1760	63%
914	1828	63%
195	390	63%
248	496	63%
295	590	63%
343	686	63%
353	706	63%
428	856	63%
534	1068	62%
624	1248	62%
631	1262	62%
718	1436	62%
723	1446	62%
823	1646	62%
825	1650	62%
842	1684	62%
915	1830	62%
931	1862	62%
171	342	62%
182	364	62%
185	370	62%
256	512	62%
257	514	62%
328	656	62%
336	672	62%
361	722	62%
454	908	62%
455	910	62%
528	1056	61%
529	1058	61%
543	1086	61%
554	1108	61%
645	1290	61%
680	1360	61%
716	1432	61%
832	1664	61%
933	1866	61%
163	326	61%
198	396	61%
246	492	61%
275	550	61%
327	654	61%
329	658	61%
349	698	61%
429	858	61%
446	892	61%
449	898	61%
453	906	61%
495	990	61%
527	1054	60%
632	1264	60%
690	1380	60%
725	1450	60%
732	1464	60%
790	1580	60%
841	1682	60%
860	1720	60%
159	318	60%
172	344	60%
183	366	60%
184	368	60%
196	392	60%
227	454	60%
238	476	60%
262	524	60%
282	564	60%
364	728	60%
375	750	60%
447	894	60%
635	1270	59%
714	1428	59%
735	1470	59%
741	1482	59%
742	1484	59%
744	1488	59%
799	1598	59%
824	1648	59%
835	1670	59%
870	1740	59%
899	1798	59%
138	276	59%
191	382	59%
192	384	59%
193	386	59%
194	388	59%
229	458	59%
258	516	59%
298	596	59%
337	674	59%
338	676	59%
339	678	59%
346	692	59%
372	744	59%
436	872	59%
526	1052	58%
536	1072	58%
555	1110	58%
556	1112	58%
651	1302	58%
652	1304	58%
724	1448	58%
745	1490	58%
752	1504	58%
755	1510	58%
816	1632	58%
818	1636	58%
831	1662	58%
851	1702	58%
925	1850	58%
944	1888	58%
147	294	58%
237	474	58%
259	518	58%
263	526	58%
271	542	58%
348	696	58%
365	730	58%
461	922	58%
464	928	58%
561	1122	57%
617	1234	57%
619	1238	57%
626	1252	57%
717	1434	57%
817	1634	57%
852	1704	57%
890	1780	57%
173	346	57%
239	478	57%
273	546	57%
357	714	57%
391	782	57%
427	854	57%
457	914	57%
548	1096	56%
557	1114	56%
575	1150	56%
634	1268	56%
643	1286	56%
751	1502	56%
843	1686	56%
916	1832	56%
926	1852	56%
932	1864	56%
941	1882	56%
247	494	56%
264	528	56%
356	712	56%
395	790	56%
537	1074	55%
628	1256	55%
636	1272	55%
654	1308	55%
655	1310	55%
753	1506	55%
754	1508	55%
834	1668	55%
845	1690	55%
848	1696	55%
945	1890	55%
168	336	55%
174	348	55%
177	354	55%
179	358	55%
281	562	55%
291	582	55%
292	584	55%
296	592	55%
362	724	55%
371	742	55%
437	874	55%
448	896	55%
462	924	55%
471	942	55%
475	950	55%
498	996	55%
539	1078	54%
549	1098	54%
558	1116	54%
565	1130	54%
581	1162	54%
629	1258	54%
675	1350	54%
743	1486	54%
819	1638	54%
826	1652	54%
836	1672	54%
917	1834	54%
923	1846	54%
924	1848	54%
935	1870	54%
951	1902	54%
166	332	54%
176	352	54%
197	394	54%
265	530	54%
359	718	54%
393	786	54%
397	794	54%
438	876	54%
465	930	54%
491	982	54%
493	986	54%
546	1092	53%
547	1094	53%
646	1292	53%
695	1390	53%
719	1438	53%
728	1456	53%
748	1496	53%
828	1656	53%
853	1706	53%
975	1950	53%
167	334	53%
169	338	53%
272	544	53%
285	570	53%
294	588	53%
363	726	53%
381	762	53%
382	764	53%
392	784	53%
439	878	53%
456	912	53%
481	962	53%
484	968	53%
485	970	53%
497	994	53%
538	1076	52%
627	1254	52%
653	1306	52%
726	1452	52%
734	1468	52%
737	1474	52%
827	1654	52%
829	1658	52%
855	1710	52%
861	1722	52%
875	1750	52%
918	1836	52%
919	1838	52%
266	532	52%
283	566	52%
284	568	52%
347	694	52%
358	716	52%
394	788	52%
396	792	52%
398	796	52%
459	918	52%
492	984	52%
572	1144	51%
591	1182	51%
749	1498	51%
761	1522	51%
775	1550	51%
854	1708	51%
927	1854	51%
928	1856	51%
942	1884	51%
943	1886	51%
952	1904	51%
953	1906	51%
991	1982	51%
993	1986	51%
187	374	51%
274	548	51%
297	594	51%
482	964	51%
496	992	51%
559	1118	50%
562	1124	50%
573	1146	50%
595	1190	50%
597	1194	50%
637	1274	50%
661	1322	50%
727	1454	50%
729	1458	50%
736	1472	50%
739	1478	50%
756	1512	50%
795	1590	50%
846	1692	50%
929	1858	50%
949	1898	50%
955	1910	50%
992	1984	50%
189	378	50%
293	586	50%
373	746	50%
374	748	50%
458	916	50%
494	988	50%
563	1126	49%
592	1184	49%
649	1298	49%
663	1326	49%
681	1362	49%
698	1396	49%
837	1674	49%
839	1678	49%
858	1716	49%
864	1728	49%
954	1908	49%
178	356	49%
186	372	49%
267	534	49%
268	536	49%
286	572	49%
366	732	49%
383	766	49%
463	926	49%
473	946	49%
476	952	49%
564	1128	48%
574	1148	48%
583	1166	48%
585	1170	48%
596	1192	48%
598	1196	48%
638	1276	48%
639	1278	48%
648	1296	48%
656	1312	48%
662	1324	48%
664	1328	48%
738	1476	48%
762	1524	48%
781	1562	48%
791	1582	48%
936	1872	48%
946	1892	48%
961	1922	48%
985	1970	48%
277	554	48%
288	576	48%
472	944	48%
474	948	48%
571	1142	47%
582	1164	47%
593	1186	47%
647	1294	47%
657	1314	47%
672	1344	47%
692	1384	47%
746	1492	47%
759	1518	47%
771	1542	47%
847	1694	47%
934	1868	47%
937	1874	47%
948	1896	47%
994	1988	47%
269	538	47%
388	776	47%
466	932	47%
594	1188	46%
665	1330	46%
696	1392	46%
747	1494	46%
764	1528	46%
765	1530	46%
772	1544	46%
792	1584	46%
797	1594	46%
798	1596	46%
849	1698	46%
856	1712	46%
857	1714	46%
862	1724	46%
871	1742	46%
873	1746	46%
882	1764	46%
883	1766	46%
891	1782	46%
895	1790	46%
938	1876	46%
947	1894	46%
957	1914	46%
983	1966	46%
278	556	46%
287	574	46%
367	734	46%
368	736	46%
376	752	46%
377	754	46%
384	768	46%
385	770	46%
483	966	46%
486	972	46%
576	1152	45%
659	1318	45%
667	1334	45%
677	1354	45%
691	1382	45%
697	1394	45%
757	1514	45%
763	1526	45%
783	1566	45%
865	1730	45%
956	1912	45%
964	1928	45%
982	1964	45%
188	376	45%
477	954	45%
488	976	45%
584	1168	44%
588	1176	44%
658	1316	44%
671	1342	44%
673	1346	44%
682	1364	44%
693	1386	44%
884	1768	44%
939	1878	44%
958	1916	44%
981	1962	44%
986	1972	44%
276	552	44%
279	558	44%
386	772	44%
468	936	44%
478	956	44%
487	974	44%
577	1154	43%
586	1172	43%
674	1348	43%
684	1368	43%
685	1370	43%
758	1516	43%
773	1546	43%
774	1548	43%
785	1570	43%
794	1588	43%
838	1676	43%
881	1762	43%
893	1786	43%
897	1794	43%
962	1924	43%
965	1930	43%
971	1942	43%
973	1946	43%
289	578	43%
469	938	43%
567	1134	42%
579	1158	42%
683	1366	42%
686	1372	42%
687	1374	42%
694	1388	42%
793	1586	42%
863	1726	42%
874	1748	42%
885	1770	42%
892	1784	42%
959	1918	42%
963	1926	42%
972	1944	42%
984	1968	42%
379	758	42%
387	774	42%
389	778	42%
776	1552	41%
782	1564	41%
894	1788	41%
967	1934	41%
976	1952	41%
988	1976	41%
369	738	41%
378	756	41%
467	934	41%
489	978	41%
566	1132	40%
578	1156	40%
666	1332	40%
668	1336	40%
678	1356	40%
679	1358	40%
688	1376	40%
689	1378	40%
768	1536	40%
784	1568	40%
786	1572	40%
866	1732	40%
872	1744	40%
896	1792	40%
479	958	40%
569	1138	39%
587	1174	39%
676	1352	39%
766	1532	39%
769	1538	39%
796	1592	39%
869	1738	39%
987	1974	39%
589	1178	38%
669	1338	38%
767	1534	38%
778	1556	38%
779	1558	38%
787	1574	38%
867	1734	38%
879	1758	38%
886	1772	38%
898	1796	38%
977	1954	38%
568	1136	37%
777	1554	37%
789	1578	37%
859	1718	37%
876	1752	37%
888	1776	37%
966	1932	37%
974	1948	37%
978	1956	37%
788	1576	36%
877	1754	36%
979	1958	36%
989	1978	36%
868	1736	35%
968	1936	35%
969	1938	35%
878	1756	34%
887	1774	34%
889	1778	34%