6.NS.B.4 Understand and find greatest common factor and least common multiple

Posted: September 3, 2014 in Advance, Periods 1&2, Periods 3&4
Find the greatest common factor of two whole numbers less than or equal to 100 and the least common multiple of two whole numbers less than or equal to 12. Use the distributive property to express a sum of two whole numbers 1–100 with a common factor as a multiple of a sum of two whole numbers with no common factor. For example, express 36 + 8 as 4 (9 + 2).
  1. Find the greatest common factor of two numbers

    Find the greatest common factor of two numbers

    COMMON CORE: 6.NS.B.4 | BY: ALICE LOMBARDO

    In this lesson you will learn how to find the Greatest Common Factor of two or more numbers by creating and comparing a list of factors for each.

  2. Find the least common multiple of two numbers

    Find the least common multiple of two numbers

    COMMON CORE: 6.NS.B.4 | BY: ALICE LOMBARDO

    In this lesson you will learn how to find the Least Common Multiple of two or more numbers by creating and comparing a list of multiples for each.

  3. Find the GCF and LCM using prime factorization

    Find the GCF and LCM using prime factorization

    COMMON CORE: 6.NS.B.4 | BY: ALICE LOMBARDO

    In this lesson you will learn how to find the GCF and LCM of two whole numbers by using their prime factors.

  4. Find the GCF of two numbers using the distributive property

    Find the GCF of two numbers using the distributive property

    COMMON CORE: 6.NS.B.4 | BY: ALICE LOMBARDO

    In this lesson you will learn how to write an equivalent expression showing the GCF of two addends by using the Distributive Property.

  5. Use GCF and LCM to solve real world problems

    Use GCF and LCM to solve real world problems

    COMMON CORE: 6.NS.B.4 | BY: ALICE LOMBARDO

    In this lesson you will learn when to use the GCF and LCM to find solutions by looking at real world problems.

     

    Isolation Drills: Click to get started

    Dividing fractions by fractions and whole numbers applications

    Dividing positive fractions

    Dividing fractions by fractions word problems

    Understanding dividing fraction by fractions

    Multi-digit division

    Adding decimals 2

    Subtracting decimals 2

    Multiplying decimals 3

    Dividing decimals 4

    Adding and subtracting decimals word problems

    Distributive property

    Greatest common factor

    Least common multiple

     

    Interactive Practice:

    1. Area Models for Multiplication and Division – An Annenberg lesson plan from their Learning Math series
    2. Basic Number Properties: Associative, Commutative, and Distributive– Explanation from Purple Math
    3. Distributive Property – Short animation that loops
    4. Distributive Property – Five slide PowerPoint show which uses animation very effectively
    5. Factor Tree – Interactive game. Find the prime factorization of numbers by completing factor trees. Then use a venn diagram to sort the prime factors.
    6. 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.
    7. Factorization Forest – A game in which students can practice their prime factorization skills.
    8. Finding Factors – List the factors for the given numbers, answers included on page two
    9. Finding Factors of a Number – Video lesson explaining the concept
    10. Interactive Factor Tree Game – Find all prime factors of a composite number with our Factor Tree. This interactive game requires Adobe Flash Player.
    11. Number Properties – From Online Math Learning
    12. Prime Factoring – Help Professor Super save the planet by cooking the Giant Frozen Rubber Turkeys of Destruction
    13. Prime Factorization – Video lesson explaining the concept
    14. Prime Factorization – Brain Pop video or quiz provided by Glencoe
    15. Prime Factorization – Explanation of two ways to do the factorization with examples, followed by seven practice exercises to check student understanding
    16. Prime Factorization – Explanation and examples; at the bottom of the page there are links to six practice questions to check student understanding
    17. Prime Factorization – Interactive practice (multiple choice quiz)
    18. Prime Factorization Calculator – Enter whatever number you want and then choose which operation you want the prime factorization calculator to perform.
    19. Prime Factorization Tool – This tool will work out the prime factorization of a number. The number should be a positive whole number.
    20. Prime Factorization: Prime Numbers – Enter a natural number to be factorized
    21. Prime Factors – Two part lesson plan; introducing the idea and developing the concept
    22. Recognizing Prime Numbers – Video lesson explaining the concept
    23. Use the distributive property to simplify numerical and variable expressions – An eleven slide PowerPoint show which use animation effectively to teach the concept
    24. Which Property – A quiz in the form of a PowerPoint show

     

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