. Grade 4, Illustrative icon

Money in the piggy bank

Illustrative MathematicsVaries

This task is designed to help students focus on the whole that a fraction refers to. It provides a context where there are two natural ways to view the coins: As equal parts of the set of coins in the piggy bank, and As money so each coin is assigned its monetary value. These two points of view are very different: according to the first point of view, all coins are considered equal parts of the collection of coins, with a penny being one part of the collection just as a nickel or dime is one part. From the second point of view, a penny is one cent while a nickel is five cents and in particular a nickel is viewed as equivalent to five pennies.

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