Summary
A short Cyberchase segment: Bianca helps a friend double a cupcake recipe for a bake sale, which means doubling a fraction and dealing with the improper fraction that results. A tasty, real-world fraction problem.
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All ages
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Teaching resources
Discussion questions
Discussion
- What happened to the fraction when Bianca doubled the recipe?
- Why did the answer become an improper fraction?
- How would you write that amount as a mixed number?
Quick work-a-long
Vocabulary: double, recipe, improper fraction.
Try it: A recipe needs 3/4 cup of sugar. How much for a double batch? Write it as a mixed number.


