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Lesson
Rational numbers and prime factors
Write rational numbers in multiple forms and use prime factorization.
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Lesson Notes
Section 1 / 7
- Convert between fractions, decimals, and repeating decimals.
- Use prime factorization to simplify fractions.
- Identify terminating vs repeating decimals.
Short segments for focus-friendly pacing.
Key Points
- Rational numbers are ratios of integers
- Prime factorization helps simplify
- Only factors 2 and 5 give terminating decimals
- Repeating decimals are still rational
- Reduce fractions before comparing
Quick Check
Which denominator guarantees a terminating decimal?
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External Links
Khan Academy: Exponents and Powers (External)
External Khan Academy exponents practice. Link-only with attribution.
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