Mathematics·Ratio & Proportion·conceptual
Percentages as Fractions
Define percentage as 'number of parts per hundred'; interpret percentages and percentage changes as a fraction or a decimal; express one quantity as a percentage of another; compare quantities using percentages; work with percentages greater than 100%
Suggested ages 11–13
Evidence of understanding
- Convert fluently between percentages, fractions, and decimals
- Express one quantity as a percentage of another
- Calculate percentage increases and decreases and interpret percentages greater than 100%
Assessment prompt
If a shop says a TV is 130% of its original price, does Percentages as Fractions understand what that means — and can they work out the new price from the original?
Standards alignment
6.RP.3cUS · ccss-math
Find a Percent of a Quantity
Common Core State Standards for Mathematics · 6
KS3.Maths.Num.10GB · uk-nc-2013
Percentages
The national curriculum in England: Key stages 1 and 2 framework document · Key Stage 3