Average scale scores and percentages for grade 4 mathematics, by time per week on math instruction and jurisdiction: 2011, 2009, 2007, and 2005
Year	Jurisdiction	Less than 3 hours		3-4.9 hours		5-6.9 hours		7 hours or more
Year	Jurisdiction	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage
# Rounds to zero. ‡ Reporting standards not met. NOTE: DoDEA = Department of Defense Education Activity. The NAEP Mathematics scale ranges from 0 to 500. Detail may not sum to totals because of rounding. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005, 2007, 2009, and 2011 Mathematics Assessments.
2011	National	233	3	243	9	242	59	239	29
2011	National public	232	3	241	7	242	59	239	31
2011	Alabama	222	4	216	3	232	62	232	31
2011	Alaska	232	3	233	8	238	58	237	31
2011	Arizona	226	3	223	5	236	57	237	35
2011	Arkansas	233	4	234	4	237	43	241	49
2011	California	225	5	245	4	234	61	234	30
2011	Colorado	240	3	242	7	247	60	241	30
2011	Connecticut	235	2	244	7	245	78	238	12
2011	Delaware	‡	2	236	7	240	71	245	20
2011	District of Columbia	‡	3	240	4	227	38	218	54
2011	DoDEA	238	3	242	15	241	68	241	15
2011	Florida	233	2	235	5	240	73	242	20
2011	Georgia	229	4	232	5	243	51	235	41
2011	Hawaii	‡	1	235	5	241	46	238	48
2011	Idaho	230	3	241	6	241	65	240	26
2011	Illinois	224	2	238	11	242	74	228	13
2011	Indiana	‡	2	241	7	245	64	241	27
2011	Iowa	242	3	245	14	243	66	242	17
2011	Kansas	250	4	249	4	247	50	245	42
2011	Kentucky	244	1	243	8	240	66	242	26
2011	Louisiana	224	4	229	5	232	62	230	28
2011	Maine	‡	1	238	9	245	71	247	18
2011	Maryland	241	1	236	1	251	64	242	34
2011	Massachusetts	245	1	251	3	257	61	250	35
2011	Michigan	‡	2	241	11	238	65	233	22
2011	Minnesota	237	3	244	5	252	65	246	28
2011	Mississippi	‡	2	217	4	229	38	231	56
2011	Missouri	240	4	233	6	244	68	239	22
2011	Montana	‡	2	240	7	245	56	244	36
2011	Nebraska	‡	2	237	10	239	72	242	16
2011	Nevada	238	3	237	4	238	58	236	35
2011	New Hampshire	‡	2	249	9	253	67	252	23
2011	New Jersey	‡	2	255	9	249	57	244	32
2011	New Mexico	221	3	226	2	235	41	232	53
2011	New York	243	2	243	19	239	53	232	26
2011	North Carolina	240	5	249	5	245	53	244	37
2011	North Dakota	‡	1	243	17	246	71	244	10
2011	Ohio	228	3	241	7	245	64	243	26
2011	Oklahoma	232	5	236	8	239	45	238	42
2011	Oregon	237	3	236	15	237	69	236	12
2011	Pennsylvania	232	2	236	5	250	61	241	32
2011	Rhode Island	241	2	236	4	243	60	240	33
2011	South Carolina	‡	2	240	6	237	58	239	34
2011	South Dakota	236	5	240	14	242	60	240	22
2011	Tennessee	‡	1	234	8	234	63	233	28
2011	Texas	236	5	244	6	240	33	242	56
2011	Utah	234	6	247	7	243	54	243	33
2011	Vermont	‡	#	246	5	247	73	248	21
2011	Virginia	‡	1	244	10	246	77	243	12
2011	Washington	‡	1	240	3	246	54	240	42
2011	West Virginia	228	4	236	3	234	61	237	32
2011	Wisconsin	‡	1	247	9	245	70	248	20
2011	Wyoming	242	3	242	6	245	63	243	29
2009	National	230	2	242	12	241	60	237	25
2009	National public	228	2	240	9	241	61	237	27
2009	Alabama	220	4	227	6	229	67	225	24
2009	Alaska	‡	2	228	10	238	62	243	27
2009	Arizona	213	4	228	12	230	60	235	24
2009	Arkansas	229	3	231	5	234	43	243	49
2009	California	209	4	239	7	234	59	228	30
2009	Colorado	‡	2	247	9	244	64	241	24
2009	Connecticut	‡	1	240	7	246	79	240	13
2009	Delaware	230	2	244	11	238	73	246	13
2009	District of Columbia	206	5	‡	3	224	51	214	42
2009	DoDEA	‡	1	241	13	241	73	237	13
2009	Florida	238	3	241	9	242	69	243	20
2009	Georgia	235	4	237	6	238	52	234	39
2009	Hawaii	‡	1	242	7	237	50	235	42
2009	Idaho	‡	1	239	10	241	70	243	19
2009	Illinois	229	2	242	15	240	72	230	11
2009	Indiana	‡	1	239	15	244	72	243	11
2009	Iowa	247	4	240	19	243	63	242	13
2009	Kansas	‡	2	247	5	247	54	243	39
2009	Kentucky	232	2	236	13	240	71	236	14
2009	Louisiana	236	3	229	5	230	64	229	27
2009	Maine	‡	1	241	10	244	68	248	21
2009	Maryland	239	1	242	3	245	63	242	33
2009	Massachusetts	‡	#	261	4	255	58	248	38
2009	Michigan	‡	#	240	16	237	73	229	11
2009	Minnesota	‡	2	247	8	251	75	247	15
2009	Mississippi	216	3	228	5	229	49	227	43
2009	Missouri	‡	2	242	10	241	68	242	20
2009	Montana	‡	2	241	7	244	59	247	32
2009	Nebraska	‡	2	235	14	240	72	240	12
2009	Nevada	‡	1	239	5	236	59	235	35
2009	New Hampshire	‡	1	253	10	251	75	248	14
2009	New Jersey	‡	1	250	11	250	62	242	26
2009	New Mexico	222	4	234	5	230	47	231	45
2009	New York	229	3	243	18	242	53	238	26
2009	North Carolina	234	3	251	6	245	54	242	36
2009	North Dakota	‡	#	243	22	246	68	245	10
2009	Ohio	‡	1	246	18	245	56	240	24
2009	Oklahoma	231	3	231	11	238	58	238	28
2009	Oregon	239	3	234	18	239	68	236	11
2009	Pennsylvania	240	2	242	7	247	64	239	26
2009	Rhode Island	‡	1	239	6	241	71	237	22
2009	South Carolina	‡	1	237	12	237	69	235	18
2009	South Dakota	‡	1	242	12	243	67	239	19
2009	Tennessee	‡	#	227	11	233	71	230	18
2009	Texas	234	3	235	5	244	35	240	57
2009	Utah	240	4	237	9	242	60	238	27
2009	Vermont	‡	1	244	8	248	71	249	20
2009	Virginia	234	2	247	7	243	78	241	13
2009	Washington	241	2	242	5	243	59	240	34
2009	West Virginia	‡	1	‡	2	233	68	235	29
2009	Wisconsin	‡	1	244	11	243	76	245	13
2009	Wyoming	‡	3	240	6	242	59	242	32
2007	National	234	2	242	13	240	61	238	24
2007	National public	232	2	240	10	240	63	238	26
2007	Alabama	217	4	224	5	230	65	230	26
2007	Alaska	‡	1	232	10	237	60	245	29
2007	Arizona	223	4	236	11	233	61	229	25
2007	Arkansas	233	3	227	2	238	41	239	53
2007	California	217	2	238	7	231	66	228	25
2007	Colorado	‡	1	246	9	243	60	234	30
2007	Connecticut	‡	1	243	8	243	80	246	11
2007	Delaware	‡	1	239	8	242	77	245	14
2007	District of Columbia	‡	2	217	5	215	55	212	37
2007	DoDEA	‡	2	241	15	240	72	240	12
2007	Florida	247	3	236	5	242	70	244	23
2007	Georgia	229	3	236	7	237	58	234	32
2007	Hawaii	224	3	242	7	233	47	236	44
2007	Idaho	‡	1	241	14	241	66	240	19
2007	Illinois	212	1	236	19	240	69	233	11
2007	Indiana	‡	1	246	22	244	67	248	10
2007	Iowa	‡	1	245	20	242	69	243	10
2007	Kansas	‡	2	245	5	249	51	247	42
2007	Kentucky	‡	2	235	20	235	69	234	9
2007	Louisiana	‡	2	232	4	230	64	231	30
2007	Maine	‡	#	239	13	243	73	246	13
2007	Maryland	221	3	224	2	245	64	235	30
2007	Massachusetts	‡	1	261	7	254	59	249	32
2007	Michigan	‡	1	242	14	238	70	235	16
2007	Minnesota	‡	1	247	13	248	70	247	15
2007	Mississippi	225	2	229	6	228	54	228	38
2007	Missouri	‡	1	237	12	241	65	239	23
2007	Montana	‡	1	244	13	243	65	245	20
2007	Nebraska	‡	2	237	18	238	68	241	12
2007	Nevada	229	1	232	4	231	69	234	25
2007	New Hampshire	‡	2	245	13	249	75	252	10
2007	New Jersey	‡	1	253	9	249	58	247	31
2007	New Mexico	‡	1	223	11	229	55	229	33
2007	New York	‡	1	242	12	245	59	241	28
2007	North Carolina	236	3	239	7	243	64	240	26
2007	North Dakota	‡	#	241	23	247	70	247	8
2007	Ohio	‡	1	248	16	244	60	243	22
2007	Oklahoma	234	4	232	11	237	50	237	34
2007	Oregon	238	3	236	21	236	65	240	12
2007	Pennsylvania	‡	1	245	12	245	66	242	21
2007	Rhode Island	230	2	236	7	236	67	238	24
2007	South Carolina	‡	2	237	9	238	69	237	20
2007	South Dakota	‡	1	242	17	242	64	239	17
2007	Tennessee	228	4	234	13	235	63	228	19
2007	Texas	241	4	239	3	242	44	243	48
2007	Utah	240	3	236	14	241	66	237	17
2007	Vermont	‡	1	243	12	247	73	248	15
2007	Virginia	239	2	243	13	244	71	241	15
2007	Washington	‡	1	246	5	242	58	242	35
2007	West Virginia	‡	1	233	3	237	77	234	19
2007	Wisconsin	‡	2	240	12	246	76	240	11
2007	Wyoming	‡	1	251	7	244	56	244	35
2005	National	233	1	240	20	238	65	235	15
2005	National public	227	1	238	16	238	67	235	16
2005	Alabama	‡	1	223	7	226	78	221	14
2005	Alaska	‡	1	236	22	236	63	237	14
2005	Arizona	‡	1	230	20	231	65	227	14
2005	Arkansas	‡	1	231	8	235	58	239	33
2005	California	217	1	234	13	231	73	229	13
2005	Colorado	‡	#	237	12	240	71	237	17
2005	Connecticut	‡	#	243	14	243	81	235	5
2005	Delaware	‡	1	240	15	239	77	246	7
2005	District of Columbia	198	4	221	11	211	65	209	20
2005	DoDEA	‡	1	238	25	239	66	237	8
2005	Florida	232	2	237	13	240	71	239	14
2005	Georgia	217	1	239	10	235	69	232	21
2005	Hawaii	‡	1	232	21	230	66	229	13
2005	Idaho	‡	#	243	23	242	68	238	9
2005	Illinois	219	1	235	30	235	66	213	3
2005	Indiana	‡	1	239	22	241	68	239	10
2005	Iowa	225	2	242	26	240	68	237	4
2005	Kansas	‡	#	244	8	248	56	243	36
2005	Kentucky	‡	1	232	31	231	64	229	4
2005	Louisiana	‡	1	222	7	232	63	231	29
2005	Maine	‡	#	238	23	241	69	247	8
2005	Maryland	‡	1	247	4	241	73	231	22
2005	Massachusetts	‡	1	255	10	248	75	239	14
2005	Michigan	‡	1	238	26	239	64	233	8
2005	Minnesota	‡	1	245	18	247	73	237	8
2005	Mississippi	‡	2	229	8	227	61	227	29
2005	Missouri	‡	#	236	17	236	68	234	15
2005	Montana	‡	1	239	27	240	61	247	11
2005	Nebraska	‡	#	237	25	238	68	241	7
2005	Nevada	‡	#	227	7	230	74	233	19
2005	New Hampshire	‡	2	243	29	247	64	254	5
2005	New Jersey	‡	#	249	22	247	58	234	20
2005	New Mexico	‡	2	225	23	225	64	220	11
2005	New York	‡	#	243	22	240	59	231	18
2005	North Carolina	‡	1	240	13	242	67	240	19
2005	North Dakota	‡	1	242	36	243	59	244	4
2005	Ohio	‡	1	240	20	244	67	231	12
2005	Oklahoma	‡	1	230	24	236	60	236	15
2005	Oregon	‡	#	237	23	238	69	239	8
2005	Pennsylvania	‡	1	241	14	243	66	231	19
2005	Rhode Island	‡	1	233	12	233	71	238	16
2005	South Carolina	‡	1	241	13	239	70	235	16
2005	South Dakota	‡	1	241	27	242	66	237	6
2005	Tennessee	‡	1	238	17	232	74	222	8
2005	Texas	220	#	244	7	242	53	243	40
2005	Utah	‡	#	240	27	238	64	243	9
2005	Vermont	‡	#	240	14	245	76	241	10
2005	Virginia	‡	1	238	22	242	65	239	13
2005	Washington	‡	#	239	14	242	70	241	16
2005	West Virginia	‡	1	230	18	231	74	233	7
2005	Wisconsin	‡	#	238	23	243	72	232	4
2005	Wyoming	‡	#	244	12	243	63	245	25