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Table 1 The dot number pairs per each ratio.

From: Relationships between magnitude representation, counting and memory in 4- to 7-year-old children: A developmental study

1 : 2 3 : 5 2 : 3
4 8 * 6 10 * 8 12 *
6 12 ** 9 15 ** 12 18 **/°
10 20° 12 20°   
  1. The numerical distance between dot numbers are the same in dot number pairs marked with * and ** (the numerical distances are 4 and 6, respectively). Ratios are in columns. The overall sum is almost equal for dot number pairs marked with ° (30, 32 and 30).