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Unit Five Overview:
One goal of Module 5 is for students to transition from thinking of fractions as area or parts of a figure to points on a number line and finally, as numbers. To make that jump, students think of fractions as being constructed out of unit fractions: 1 fourth is the length of a segment on the number line such that the length of four concatenated fourth segments on the line equals 1 (the whole). Once the unit 1 fourth has been established, counting them is as easy as counting whole numbers: 1 fourth, 2 fourths, 3 fourths, 4 fourths, 5 fourths, etc. Students also compare fractions, find equivalent fractions in special cases, and solve problems that involve fractions. They realize that equivalent fractions share the same point on the number line.
Unit Five Learning Targets:
3.NF.1 I understand that fractions represent equal parts of a whole.
3.G.2 I can partition shapes into parts with equal areas and express the partitioned areas as unit fractions of the whole.