CPA approach + Bar modelling in Fraction
Concrete stage: Using connecting cubes as manipulatives Pictorial stage: Drawing of pictures / bar model Abstract stage: Using mathematical symbols and statements
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Fraction
Multiplication of Fractions in application
This is the work of a Year 5 (UK) child showing how to present his thoughts in pictorial form and in abstract computation format.
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Bar Model: What’s Ethan’s age?
Ethan is as old as his aunt now. The ratio of Ethan’s age to his aunt’s age was 1 : 7 ten years ago.
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Sharing a quarter of a watermelon
Based on the number of watermelons in the diagram shown on the left, how many people can share these watermelons if each were
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