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    Divisibility by 2510-3-6 and 9

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    cherfelkate
    The document provides information about divisibility rules for various numbers. It explains that a number is divisible by 2 if its last digit is even, divisible by 5 if its last digit is 0 or 5, and divisible by 10 if its last digit is 0. A number is divisible by 3 if the sum of its digits is divisible by 3. To be divisible by 6, a number must be even and have a digit sum divisible by 3. To be divisible by 9, the digit sum must be divisible by 9. It also gives an example of applying these rules and evaluating numbers for divisibility.

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    Divisibility by 2510-3-6 and 9

    Uploaded by

    cherfelkate
    12 views33 pages
    The document provides information about divisibility rules for various numbers. It explains that a number is divisible by 2 if its last digit is even, divisible by 5 if its last digit is 0 or 5, and divisible by 10 if its last digit is 0. A number is divisible by 3 if the sum of its digits is divisible by 3. To be divisible by 6, a number must be even and have a digit sum divisible by 3. To be divisible by 9, the digit sum must be divisible by 9. It also gives an example of applying these rules and evaluating numbers for divisibility.

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    The document provides information about divisibility rules for various numbers. It explains that a number is divisible by 2 if its last digit is even, divisible by 5 if its last digit is 0 or 5, and divisible by 10 if its last digit is 0. A number is divisible by 3 if the sum of its digits is divisible by 3. To be divisible by 6, a number must be even and have a digit sum divisible by 3. To be divisible by 9, the digit sum must be divisible by 9. It also gives an example of applying these rules and evaluating numbers for divisibility.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    12 views33 pages

    Divisibility by 2510-3-6 and 9

    Uploaded by

    cherfelkate
    The document provides information about divisibility rules for various numbers. It explains that a number is divisible by 2 if its last digit is even, divisible by 5 if its last digit is 0 or 5, and divisible by 10 if its last digit is 0. A number is divisible by 3 if the sum of its digits is divisible by 3. To be divisible by 6, a number must be even and have a digit sum divisible by 3. To be divisible by 9, the digit sum must be divisible by 9. It also gives an example of applying these rules and evaluating numbers for divisibility.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
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    of 33

    Grade 5

    Unit 1 Lesson 3 and 4


    Divisibility by 2, 5, and 10;
    and Divisibility by 3, 6, and 9
    Objectives:

    Know the Know the


    divisibility divisibility
    rules for 2, 5 rules for 3, 6
    and 10 and 9
    DIVISION SQUARE
    Each row and column
    is a division problem.
    Complete the math
    and write answers in
    the empty spaces
    Vocabulary Bank

    A number n is divisible by a number m if n can be divided by


    m without leaving a remainder.

    The dividend is the number being divided, while the divisor is


    the number by which the dividend is divided.

    An amount left after dividing a number is called a remainder


    MATH TALE! Today, Kian is assigned to restack the eggs.
    He needs to put the eggs in trays such that there
    will be an equal number of eggs for each tray, and
    there will be no eggs left unstacked. If there are
    4,500 eggs he needs to restack, determine the
    number of trays he will need if he will put:

    2 eggs 5 eggs 10 eggs


    per tray per tray per tray
    Activity 1
    Apply the following color scheme:

    For all the boxes containing a


    number divisible by 2
    For all the boxes containing a
    number divisible by 5
    For all the boxes containing a
    number divisible by 10
    Unit 1, Lesson 1
    Divisibility by 2, 5, and 10;
    and Divisibility by 3, 6, and 9
    Divisibility rule for 2
    A number is divisible by 2
    if its last digit is 0, 2, 4, 6,
    or 8. All even numbers are
    divisible by 2
    Take a look at the numbers on
    the board. Which numbers
    are divisible by 2?

    2468 12760
    58644
    795 8353
    Divisibility rule for 5
    A number is divisible
    by 5 if its last digit is
    5 or 0.
    Take a look at the numbers on
    the board. Which numbers
    are divisible by 5?

    143865 6845
    1583
    9316 34960
    Divisibility rule for 10
    A number is divisible
    by 10 if its last digit is
    0.
    Take a look at the numbers on
    the board. Which numbers
    are divisible by 10?

    108580 16458
    37900
    58341 12190
    Divisibility rule for 3
    A number is divisible by 3
    if the sum of its digits can
    be divided by 3 without
    any remainder.
    Divisibility rule for 3
    STEP 1: Get the STEP 2: Divide the
    sum of the digits sum of the digits
    for 3258 by 3 without any
    remainder
    3+2+5+8 = 18
    18÷3 = 6
    Divisibility rule for 6
    A number is divisible by 6
    if it is divisible by 2 and 3.
    Divisibility rule for 6
    STEP 1: Determine STEP 2: Determine
    if the number is even if the number is
    or odd. No ODD divisible by 3.
    number is divisible
    by 6.
    2+5+4+4 = 15
    2544 is an even
    number.
    Divisibility rule for 9
    A number is divisible by 9
    if the sum of its digits can
    be divided by 9 without
    any remainder.
    Divisibility rule for 9
    STEP 1: Get the STEP 2: Divide
    sum of the digits the sum of the
    for 1899 digits by 9

    1+8+9+9 = 27 27÷9 = 3
    Evaluate
    whether the FALSE
    statement is
    TRUE or TRUE
    FALSE.
    TRUE
    TRUE
    FALSE
    Divisibility
    Rule for 2
    A number is divisible
    by 2 if its last digit is
    0, 2, 4, 6, or 8.
    Divisibility Divisibility
    Rule for 5 Rule for 10

    A number is A number is
    divisible by 5 if divisible by 10
    its last digit is if its last digit
    5 or 0. is 0.
    Divisibility Divisibility
    Rule for 3 Rule for 6
    A number is divisible
    A number is by 6 if it is an even
    divisible by 3 if the number and the sum
    sum of its digits is of its digits is divisible
    divisible by 3. by 3. No odd number
    is divisible by 6.
    Divisibility
    Rule for 9
    To be divisible by
    9, the sum of the
    digits of a number
    should be
    multiples of 9.
    Put a check in the
    box if the number
    on the left is
    divisible by the
    number on top of
    the column.
    Otherwise, leave it
    blank.
    Application
    Divisibility by 2, 5 and 10;
    and Divisibility by 3, 6 ,and 9
    MATH TALE! Today, Kian is assigned to restack the eggs.
    He needs to put the eggs in trays such that there
    will be an equal number of eggs for each tray, and
    there will be no eggs left unstacked. If there are
    4,500 eggs he needs to restack, determine the
    number of trays he'll need if he will put:

    2 eggs 5 eggs 10 eggs


    per tray per tray per tray
    Answer the questions
    Divisibility rule for 2, 5, and 10

    A number is
    A number is A number is
    divisible by 2 if
    divisible by 5 if its divisible by 10 if
    its last digit is
    last digit is its last digit is
    0, 2, 4, 6, or 8.
    5 or 0. 0.
    Divisibility rule for 3, 6, and 9

    A number is To be divisible
    A number is
    divisible by 6 if it is by 9, the sum of
    divisible by 3 if
    an even number the digits of a
    the sum of its
    and the sum of its number should
    digits is divisible
    digits is divisible be multiples of
    by 3.
    by 3. 9.
    Did you know that the
    divisibility rule for 7 is
    so complicated? It
    would be faster to
    divide the number by 7.
    Grade 5
    Unit 1 Lesson 3 and 4
    Divisibility by 2, 5 and 10;
    and Divisibility by 3, 6 ,and 9
    THANK YOU!

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