Multiplying fractions (age 11+)
Interpret fractions and percentages as operators — find a fraction or percentage of an amount by multiplying, understanding that 'of' means multiply (e.g., 3/4 of 200 = 3/4 × 200 = 150)
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“If a £120 jacket is reduced by 35%, can your child work out the sale price — by first calculating 35% of £120 and then subtracting?”
Full guide and materials
- Activity. Interpret fractions and percentages as operators — find a fraction or percentage of an amount by multiplying, understanding that 'of' means multiply (e.g., 3/4 of 200 = 3/4 × 200 = 150)
What to notice. Calculate a fraction of a given amount by multiplying • Calculate a percentage of a given amount by converting to a decimal and multiplying • Use the operator interpretation to solve multi-step problems involving discounts, taxes, and portions
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If a £120 jacket is reduced by 35%, can your child work out the sale price — by first calculating 35% of £120 and then subtracting?
Interpret fractions and percentages as operators — find a fraction or percentage of an amount by multiplying, understanding that 'of' means multiply (e.g., 3/4 of 200 = 3/4 × 200 = 150)
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Check understanding
- Calculate a fraction of a given amount by multiplying
- Calculate a percentage of a given amount by converting to a decimal and multiplying
- Use the operator interpretation to solve multi-step problems involving discounts, taxes, and portions
“If a £120 jacket is reduced by 35%, can your child work out the sale price — by first calculating 35% of £120 and then subtracting?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 11–12
Standards