Table 1.

Correlations coefficients obtained after correcting by age, memory span, SES of the family (Bold p < 0.001; bold and italics p < 0.005).

		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19
TASKS
1	Counting	–
2	Magnitude comparison	0.22	–
3	Everyday numerical problems	0.45	0.21	–
4	Number line	–0.31	–0.09	–0.23	–
5	One–one correspondence	0.32	0.18	0.29	–0.01	–
CHILD'S KNOWLEDGE OF NUMBER RELATED INFORMATION
6	Child's answers	0.28	0.12	0.34	0.06	0.28	–
7	Parent's answers	0.16	0.06	0.02	0.09	0.19	0.33	–
CHILD DAILY ACTIVITIES
8	Videogames	–0.11	–0.11	–0.14	0.01	–0.07	0.02	–0.05	–
9	Reading	–0.09	–0.10	–0.25	0.08	–0.01	0.02	0.29	–0.02	–
10	TV watching	–0.02	–0.15	–0.19	0.06	–0.14	–0.07	0.14	0.32	0.15	–
11	Sports	–0.03	–0.06	–0.03	–0.05	–0.18	0.06	0.13	0.07	0.15	–0.05	–
12	Music	0.02	–0.07	0.06	0.09	–0.03	0.11	0.08	–0.10	–0.04	–0.13	0.02	–
13	Other activities	0.20	0.14	0.02	–0.19	0.18	–0.02	0.13	–0.13	0.27	0.08	0.24	–0.11	–
FAMILY DAILY ACTIVITIES
14	Shopping	–0.23	–0.02	–0.18	0.16	0.05	0.03	0.21	0.11	0.13	–0.08	–0.02	–0.07	0.00	–
15	TV watching	–0.08	–0.08	–0.20	0.10	–0.22	–0.13	0.03	0.27	–0.07	0.26	0.10	–0.21	0.01	0.17	–
16	Reading	0.06	0.13	0.00	0.02	–0.01	–0.01	0.13	–0.13	0.23	–0.17	0.16	0.04	0.14	0.02	0.10	–
17	Sports	0.03	–0.09	0.05	–0.26	–0.06	0.08	–0.01	0.08	0.02	–0.10	0.44	0.22	0.05	–0.02	–0.06	0.15	–
18	Board games	0.31	0.04	0.18	0.09	0.19	0.29	0.40	0.12	0.11	0.02	0.17	0.00	0.01	0.03	–0.03	0.13	–0.01	–
19	Videogames	–0.12	–0.12	–0.15	0.00	–0.09	0.01	–0.06	0.99	–0.03	0.32	0.06	–0.11	–0.15	0.11	0.28	–0.14	0.07	0.11	–