Math Made Visible

Percent, Decoded

Name: Percent, Decoded
Duration: 325 s
Description: 45% = 0.45 = 45/100 — one number, three costumes. And why −20% then +20% never gets you back where you started.

45% = 0.45 = 45/100 — one number, three costumes. And why −20% then +20% never gets you back where you started.

45% battery. 92% on the test. 30% off the hoodie. You use percent every day — but what IS one percent, actually?

Concepts you just met

PercentagesFractions & DecimalsDiscountsPercent Change