Mathematics
Fractions
Procedural
9–10 yrs
Percentage and decimal equivalents
百分数与小数的互换
Description
Solve problems requiring knowledge of percentage and decimal equivalents of 1/2, 1/4, 1/5, 2/5, 4/5 and fractions with denominators that are multiples of 10 or 25
Mastery Evidence
- State that 1/5 = 20% = 0.2 and use this to find 20% of 60
- Convert 3/4 to 75% and to 0.75
- A shop offers 25% off a £40 item — what is the sale price?
Assessment Prompt
If your child knows that 1/4 = 25% = 0.25, can they use that to work out 25% of £80 — and also find 4/5 of 60 sweets?