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Prime Factorization Introduction

Prime Factorization Introduction. Grade Level and Objectives Factor Tree Divisibility Rules Exponential Notation Quiz Resources. What is Prime Factorization?. Check out the following links to learn about prime factorization:

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Prime Factorization Introduction

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  1. Prime FactorizationIntroduction Grade Level and Objectives Factor Tree Divisibility Rules Exponential Notation Quiz Resources

  2. What is Prime Factorization? • Check out the following links to learn about prime factorization: • Prime factorization is the expression of a positive integer as a product of prime numbers. • Prime factors and more • A Wikipedia explanation

  3. Grade Level and Objectives • This lesson is intended for the middle grades or an early algebra course. • Objective 1: Students will be able to factor a number by creating a factor tree. • Objective 2: Students will be able to use proper exponential notation when writing the prime factorization of a number.

  4. Factor Tree • Learn about what a factor tree is and how to create one for prime factorization: • A definition • An excellent PowerPoint on how to create factor trees. • Try a factor tree problem here! • A Prime Factorization Machine. • Try your own factor tree on this slateboard.

  5. Divisibility Rules • Divisibility rules help when finding the prime factorization of a number. • Knowing divisibility rules greatly increases the speed at which a prime factorization if found. • The following links share the rules: • Rules for dividing by numbers 3-13 • Rules and examples

  6. Exponential Notation • Exponential notation –A way to show repeated multiplication of the same factor • Repeated factors are displayed by using an exponent: The Prime Factorization of 12 = 22 x 3 • Check out this links for another example: • Exponential notation (near the bottom of page)

  7. Quiz • Follow this link to the: PRIME FACTORIZATION QUIZ

  8. Resources • http://www.gomath.com/htdocs/lesson/prime_lesson2.htm • http://www.eduplace.com/math/mathsteps/5/b/index.html • http://en.wikipedia.org/wiki/Prime_factor • http://nlvm.usu.edu/en/nav/frames_asid_202_g_3_t_1.html • http://www.tburg.k12.ny.us/anderson/ppt.htm • http://www.mathnstuff.com/math/spoken/here/1words/f/f4.htm • http://www2.sunysuffolk.edu/wrightj/MA22/Num/DivRule.htm • http://www.mathsisfun.com/divisibility-rules.html • http://schoolnotes.com/01504/gswanson.html

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