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 idea

Drop 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.
eastmath.com · 3.7 Converting Among Fractions, Decimals, and Percentages: Three Faces of One Number · 3.7.4 Converting Among Percentages, Decimals, and Fractions