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Working with Standard Grids

Fraction Answers

The standard grid includes a slash (/) that must be used when recording fractions. Students may record proper and improper fractions using the standard grid.

However, students MAY NOT record mixed numbers on the standard grid. A mixed number must be written as either a mixed decimal or an improper fraction.


2 1/2 cannot be written on a grid. This answer can be written as either 2.5 or 5/2.

On Part I, a mixed fraction can be converted to an improper fraction by using the Casio fx-260 Solar Scientific calculator by pressing the Shift key and then the fraction key a b/c.