Stage 3 · Fractions & Decimals
3.7.4 Converting Among Percentages, Decimals, and Fractions
3.7 Converting Among Fractions, Decimals, and Percentages: Three Faces of One Number
Point 4 of 5
3.7.4 Converting Among Percentages, Decimals, and Fractions
Core ideaDrop the % and shift the point two places left, so 0.6 = 60% = 3/5 — three ways of writing one number, used interchangeably.
Module goal. Connect the three representations, introduce percentages as "how many per hundred," and pave the way directly into the next stage on ratios and percentages.