Summary
Math Antics subtracts mixed numbers, including borrowing from the whole number. A clear, animated 9-minute lesson you can drop straight into a grades 4-5 math block -- pause-friendly, with worked examples on screen.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
A few questions to talk through after watching “Subtracting Mixed Numbers.”
- When do you need to borrow from the whole number?
- How do you borrow one whole as a fraction?
- Why is a common denominator needed first?
Quick work-a-long
Vocabulary: mixed number, borrow, regroup, fraction, whole.
Try it: Subtract 3 1/4 - 1 3/4.