Stage 3 · Fractions & Decimals
3.4.4 Reciprocals: Flip It Upside Down
3.4 Multiplying and Dividing Fractions: A Part of a Part, and Sharing in Reverse
Point 4 of 5
3.4.4 Reciprocals: Flip It Upside Down
Core ideaFlip 3/4 into 4/3, and the two multiply to exactly 1 — that pair are reciprocals of each other.
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.