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%
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“If a shop says a TV is 130% of its original price, does your child understand what that means — and can they work out the new price from the original?”
Full guide and materials
- Activity. 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%
What to notice. 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%
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If a shop says a TV is 130% of its original price, does your child understand what that means — and can they work out the new price from the original?
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%
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Check 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%
“If a shop says a TV is 130% of its original price, does your child understand what that means — and can they work out the new price from the original?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Ratio & Proportion
- Age range
- Ages 11–13
Standards