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 459,251 times
The average score is 13 of 20

Answer Stats

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