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Factors and Multiples

Factors and Multiples. Factoring. Is 6 a factor of 28?. How about 24?. Factors of 84. 1 x 84 2 x 42 3 x 28 4 x 21 6 x 14 7 x 12. Why no 5’s? Why did the list stop at 7?. Common Factors. Find the factors of 18 and 24. 18: 1 2 3 6 9 18. 24: 1 2 3 4 6 8 12 24.

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Factors and Multiples

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  1. Factors and Multiples

  2. Factoring Is 6 a factor of 28? How about 24?

  3. Factors of 84 1 x 84 2 x 42 3 x 28 4 x 21 6 x 14 7 x 12 Why no 5’s? Why did the list stop at 7?

  4. Common Factors Find the factors of 18 and 24 18: 1 2 3 6 9 18 24: 1 2 3 4 6 8 12 24

  5. Challenge Is 6 a common factor of 54 and 132?

  6. Multiples 1 x 5 = 5 2 x 5 = 10 3 x 5 = 15 4 x 5 = 20 5 x 5 = 25 6 x 5 = 30 7 x 5 = 35 8 x 5 = 40 9 x 5 = 45 10 x 5 = 50 Multiples of 5

  7. Least Common Multiple LCM What are the multiples of 3 and 7 3: 3 6 9 12 15 18 21 24 27 30 7: 7 14 21 28 35 42 49 56 63 70

  8. HW Ex 4 (pg. 12-13) Enter answers on Edmodo

  9. Video

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