Stage 3 · Fractions & Decimals

3.4.2 A Fraction Times a Fraction: Half of a Half

3.4 Multiplying and Dividing Fractions: A Part of a Part, and Sharing in Reverse

Point 2 of 5

3.4.2 A Fraction Times a Fraction: Half of a Half

Core idea

Take a third of a half, draw the grid and count the little cells — multiply top by top and bottom by bottom.

Module goal. Use area and the picture of "a part of a part" to understand fraction multiplication, use "equal sharing" for division, and master canceling and reciprocals.

eastmath.com · 3.4 Multiplying and Dividing Fractions: A Part of a Part, and Sharing in Reverse · 3.4.2 A Fraction Times a Fraction: Half of a Half