Gallon Model, Quart, Pint, Cup

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Children often learn about the quantitative relationships among several units in early mathematics using the gallon model. This model helps kids make sense of how gallons, quarts, pints, and cups are connected. A key fact to remember is that one gallon equals four quarts; one quart equals two pints; and one pint equals two cups. The volume relationships stay proportional throughout this system.