Question

sort the fractions into the appropriate bins by their estimates

Answer 1

Estimate of 0 (when the numerator is much smaller than the denominator)

1/8, 3/19, 2/13

Estimate of 1/2 (when the numerator is approximately half of the denominator)

5/9, 2/5, 3/7, 6/14

Estimate of 1 (when the numerator and denominator are similar)

7/8, 9/11, 10/12