Mathematics Fractions Conceptual 9–10 yrs

Understanding Percentages

理解百分数

Description

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

Mastery Evidence
  • 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
Assessment Prompt

If a shop advertises 50% off, can your child explain that this means half price — and write 50% as both a fraction and a decimal?