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5th Grade - Prime Factorization

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Use the prime factorization of two whole numbers to determine the greatest common factor and the least common multiple. 0506.2.2


Links verified on 9/14/2014


  1. Factoring Worksheets for Prime Factorization - Create an unlimited supply of free printable factoring worksheets here. The problem sheets are randomly generated so unique each time. This link includes something for the teacher to print
  2. Factor Trees, GCF, and LCM - Find the prime factorization of numbers by completing factor trees. Then use a Venn diagram to sort the prime factors. Multiply numbers in the intersection to find the greatest common factor. Multiply all of the numbers in the Venn diagram to find the least common multiple. This site is interactive and allows students to play a game or input or collect data
  3. Factorization Forest - a game in which students can practice their prime factorization skills. This site is interactive and allows students to play a game or input or collect data
  4. Finding Factors of a Number - [9:53] video lesson explaining the concept A video is available through this link
  5. Interactive Factor Tree Game - Find all prime factors of a composite number with our Factor Tree. This interactive game requires Adobe Flash Player. This site is interactive and allows students to play a game or input or collect data
  6. A resource for the teacher to use in planning their lessonsPrime Factors - two part lesson plan; introducing the idea and developing the concept A lesson plan can be found at this site
  7. Prime Factoring - [game with 3 levels] Help Professor Super save the planet by cooking the Giant Frozen Rubber Turkeys of Destruction This site is interactive and allows students to play a game or input or collect data
  8. Prime Factorization - [4:09] video lesson explaining the concept A video is available through this link
  9. Prime Factorization - Brain Pop video or quiz provided by Glencoe A video is available through this link
  10. Prime Factorization - explanation of two ways to do the factorization with examples, followed by seven practice exercises to check student understandingThis site includes questions for your students to check their understanding
  11. Prime Factorization - explanation and examples; at the bottom of the page there are links to six practice questions to check student understandingThis site includes questions for your students to check their understanding
  12. Prime Factorization - interactive practice (multiple choice quiz) This site includes questions for your students to check their understanding
  13. Prime Factorization Calculator - Enter whatever number you want and then choose which operation you want the prime factorization calculator to perform. This site is interactive and allows students to play a game or input or collect data
  14. Prime Factorization: Prime Numbers - enter a natural number to be factorized This site is interactive and allows students to play a game or input or collect data
  15. Prime Factorization Table - The table below shows the prime factors of all numbers between 2 and1000. Use this table to validate your work prime number factorization.
  16. Prime Factorization Tool - This tool will work out the prime factorization of a number. The number should be a positive whole number. It currently only works on numbers up to 2,147,483,647
  17. Recognizing Prime Numbers - [4:40] video lesson explaining the concept A video is available through this link



A resource for the teacher to use in planning their lessons site for teachers | A PowerPoint show related to this standard PowerPoint show | An Adobe Acrobat document in .pdf format Acrobat document | A Microsoft Word document to be downloaded Word document | This interactive site would work well on an interactive whiteboard whiteboard resource | This resource includes voice instructions for students sound | A video is available through this link video format | This site is interactive and allows students to play a game or input or collect data interactive lesson | This site includes questions for your students to check their understanding a quiz | A lesson plan can be found at this site lesson plan | This link includes something for the teacher to print to print

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.
 

  

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