Table 1 Summary of the number of experiments, foci, and subjects included in each meta-analysis

	Number of Experiments		Number of Foci		Number of Subjects
*Meta-analyses by contrast*
	Adults	Children	Adults	Children	Adults	Children
NumAr-L	17	9	269	196	364	198
NumAr-H	35	16	509	174	695	443
Reading-L	34	18	558	207	486	460
Reading-H	44	6	438	98	865	216
*Conjunction analyses across contrasts within each age group*
	Adults	Children	Adults	Children	Adults	Children
NumAr-L and NumAr-H	52	25	778	370	1059	641
Reading-L and Reading-H	78	24	996	305	1351	676
Conjunction and contrast analyses across age groups for each contrast*
	Adults and/versus Children		Adults and/versus Children		Adults and/versus Children
NumAr-L	26		465		562
NumAr-H	51		683		1138
Reading-L	52		765		946
Reading-H	50		536		1081
*Conjunction analyses across domains for each age group and contrast*
	Adults	Children	Adults	Children	Adults	Children
NumAr-L and Reading-L	51	27	827	403	850	658
NumAr-H and Reading-H	79	22	947	272	1560	659

NumAr-L and NumAr-H refer to Number-Arithmetic Lower-level and Higher-level contrasts, respectively; Reading-L and Reading-H refer to Reading Lower-level and Higher-level contrasts, respectively. *Identical sets of studies and contrasts were included in the conjunction and contrast analysis. Some participants were included in more than one contrast.

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