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
Typical age: 10–11 years
“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?”
0 / 3 mastered
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- Dividing by FractionsREQUIRED
Whole ÷ unit-fraction uses inverse relationship with fraction multiplication
- Dividing fractionsREQUIRED
Dividing fractions uses the reciprocal method which builds on fraction multiplication
- Tree diagrams
Calculating probabilities for combined events often requires multiplying fractions
- Mixed & Improper FractionsREQUIRED
Four operations with all number types builds on multiplying fractions
- Area with FractionsREQUIRED
Area with fractional sides applies fraction multiplication
- Ratio Problems
Ratio reasoning connects to fraction multiplication
- Dividing fractions (unit fractions)REQUIRED
Unit-fraction ÷ whole uses inverse relationship with fraction multiplication
- Real-world fraction multiplicationREQUIRED
Word problems require fraction multiplication skills
- Area of Triangles & Parallelograms
Triangle area formula (½ × b × h) requires understanding multiplying by ½
- Multiplication as scalingREQUIRED
Understanding scaling requires knowing how fraction multiplication works