alleryWhich pair do most learners find slowest to compare?
A2 and 9
B1 and 8
C7 and 8
D3 and 10
Answer & Solution
Correct answer: C. 7 and 8
1. The numerical distance effect says close numbers are harder to compare.
2. 7 and 8 are closest, so they are slower and less accurate to compare.
3. 2 and 9, 1 and 8, and 3 and 10 are far apart.
_Source: Wikipedia, Dyscalculia, Magnitude representation deficit_
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