Understanding Percentages
Mathematics · Fractions · conceptual
Understand the per cent symbol (%); know that per cent means ‘number of parts per hundred’; write percentages as a fraction with denominator 100 and as a decimal
What mastery looks like
- Write 35% as 35/100 and as 0.35
- Shade 40% of a 10×10 grid and write the fraction 40/100
- Explain that 100% means the whole, 50% means half
Check your understanding
If a shop advertises 50% off, can Understanding Percentages explain that this means half price — and write 50% as both a fraction and a decimal?
Prerequisites
Required first