MA.3.FR.1.2: Represent and interpret fractions, including fractions greater than…
Represent and interpret fractions, including fractions greater than one, in the form m/n as the result of adding the unit fraction 1/n to itself m times.
The Florida's B.E.S.T. Standards for Mathematics outcome MA.3.FR.1.2 (Fractions) for Grade 3 says: “Represent and interpret fractions, including fractions greater than one, in the form m/n as the result of adding the unit fraction 1/n to itself m times.” This Fieldbook unit teaches it hands-on, with everyday materials and a printable teacher guide and student sheet for every lesson. Official wording: Florida's B.E.S.T. Standards for Mathematics.
Fair Shares: Fractions and Decimals Grades 3–4
Is half always the same size? Where does three-quarters stand? Why is 3/4 + 2/4 not 5/8? Who jumped further, 1.4 m or 1.35 m? Four hands-on lessons where students fold, stand on a giant number line, measure recipes and measure their own jumps to make sense of fractions and decimals.
- Where does three-quarters stand? 50–60 min
The class builds a giant number line from 0 to 2 on the playground, and each student stands where their fraction card belongs. Students discover that 1/2, 2/4 and 4/8 all stand on the same spot, and explain fractions as numbers with a place on the line, equivalent fractions and how to compare fractions with benchmarks.
- Which recipe makes more? 50–60 min
Teams measure three trail-mix recipes with fraction cups and dry rice, and find that 3/4 cup plus 2/4 cup overflows the 1-cup mark. Students add and decompose fractions with the same denominator, catch the 'add the bottoms too' mistake with real evidence, and compare totals greater than one.
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