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A comment on Can 1/3 and 1/3 = 2/6? It seemed so. Parent comment
The lesson mixes two of the physical world concepts that are often modeled by fractions.
One is an incomplete whole (the six pack) and the other is the proportions of a mixture (table demographics).
Fractions always have the same rules, but the rules map differently to the different territory being modeled.
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The lesson mixes two of the physical world concepts that are often modeled by fractions.
One is an incomplete whole (the six pack) and the other is the proportions of a mixture (table demographics).
Fractions always have the same rules, but the rules map differently to the different territory being modeled.