Summary
Math Antics shows how to break a number down into a product of prime numbers. A clear, animated 7-minute lesson you can drop straight into a grades 4-6 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 “Prime Factorization.”
- What makes a number prime?
- How does a factor tree help you find primes?
- Why does every number have just one prime factorization?
Quick work-a-long
Vocabulary: prime, composite, factor, factor tree, prime factorization.
Try it: Make a factor tree for 60 and write its prime factorization.