Summary
A Cyberchase 'Help Wanted for Bianca' segment: ringing up a sale, Bianca has to add measurements written as mixed numbers with different denominators. A yardstick and some number sense save the day. Great for adding fractions that don't share a denominator.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
- Why was it tricky to add the measurements at first?
- What did the yardstick help Bianca see?
- Why do fractions need the same denominator before you add them?
Quick work-a-long
Vocabulary: denominator, common denominator, mixed number.
Try it: Add 1/2 + 1/4 by first rewriting 1/2 as 2/4.