Advanced practice
Dividing by a unit fraction counts how many of those pieces fit.
Problem 1 of 5. These items add a second relationship, an error to analyze, or a justification. They are not just longer arithmetic.
1/41/41/41/41/41/41/41/41/41/41/41/4
How many groups of 1/4 batches are in 3 cups of flour?
Support frame: 3 × 4/1