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Number Sense & Algebra · Number sense

Fractions, ratios & percentages

One idea in three outfits. Convert between them instantly, and avoid the percentage traps that fool even professionals: percentage points vs percent, asymmetric losses, and compounding.

25 min · 7 steps · videoJump to quiz ↓
Converting Between Fractions, Decimals, and Percents | A Mini Course | Math with Mr. J Math with Mr. J · 41 min
Open in YouTube
Step 1 of 7 · Overview25 min read ·
Key idea
Prereqs: Arithmetic intuition. Next: Exponents, roots & logs. Khan Academy 'Ratios, rates and percentages'.
Next: 1. Same number, three forms

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