Multiplying fractions (age 10+)
Multiply a fraction or whole number by a fraction, including proper fractions by proper fractions; interpret (a/b) × q as a parts of q partitioned into b equal parts; write answers in simplest form
Teaching approaches
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1 approach
If a recipe uses 2/3 of a bag of flour and your child only wants to make 3/4 of the recipe, can they multiply those fractions to find out how much flour they need?
Multiply a fraction or whole number by a fraction, including proper fractions by proper fractions; interpret (a/b) × q as a parts of q partitioned into b equal parts; write answers in simplest form
Learning resources
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2 before · 10 after
This concept
Check understanding
- Compute (2/3) × (4/5) = 8/15 and show with an area model
- Use a visual model to demonstrate (2/3) × 4 = 8/3 = 2 2/3
- Simplify the product 3/4 × 2/3 = 6/12 = 1/2
“If a recipe uses 2/3 of a bag of flour and your child only wants to make 3/4 of the recipe, can they multiply those fractions to find out how much flour they need?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 10–11