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Monday, August 19, 2013

Learn about odd numbers, multiples of 4 and 8, factors of numbers, and prime vs. composite numbers. Improve your mathematical skills and understanding with these patterns and concepts.

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Monday, August 19, 2013

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  1. Monday, August 19, 2013 Write four terms of a pattern for each rule. a. odd numbers b. multiples of 4 c. multiples of 8

  2. Sample Answers for Monday, August 20, 2011 • 1, 3, 5, 7, … • 4, 8, 12, 16, … • 8, 16, 24, 32, …

  3. Tuesday, August 20, 2013 Write the numbers in each list that are factors of the first number. a. 12: 1, 2, 3, 4, 5, 6, 7, 9, 12 b. 25: 1, 2, 4, 5, 20, 25, 50 c. 19: 1, 2, 19, 38 d. 24: 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15, 18, 20, 24, 36, 48

  4. Answers forTuesday, August 21, 2011 • 12: 1, 2, 3, 4, 6, 12 • 25: 1, 5, 25 • 19: 1, 19 • 24: 1, 2, 3, 4, 6, 8, 12, 24

  5. Wednesday, August 21, 2013 Which statement below is true? Explain your choice. 36 is a factor of 6. 6 is a factor of 36.

  6. Answer forWednesday, August 23, 2011 6 is a factor of 36 One number is a factor of another number if it divides that number with no remainder. When you divide 36 by 6 you get an answer of 6, with no remainder.

  7. Thursday, August 22, 2013 Joanne claims that every number has an even number of factors. Is Joanne’s claim correct? Explain why or why not.

  8. Sample Answer forThursday, August 24, 2011 Joanne is INCORRECT. If a number has factors that can be multiplied by itself to get the product, then there will not be an even number of factors. For example: 25 has three factors, 1, 5, 25.

  9. Friday, August 23, 2013 Explain how you can tell whether a number is prime or composite.

  10. Sample Answer forFriday, August 24, 2011 If a number has more factors than just 1 or itself, then it is composite. If a number only has factors of 1 or itself, then it is prime.

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