3rd grade math

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How can you use mental math to multiply 800 x 5?

  • 3rd grade math -

    8*5=40
    40 add in two zeroes
    to get 4000

  • 3rd grade math -

    Just multiply 8 and 5 you will get 40 when you add two zeros you get 4000.Check your answer on paper, If you wish to

  • 3rd grade math -

    How can you use mental math to multiply 800 times 5

  • 3rd grade math -

    8x5=40
    and then add two zeroes to the end of 40 =4000



    v_v
    -

  • 3rd grade math -

    8x5=40
    and then add two zeroes to the end of 40 =4000



    v_v

  • 3rd grade math -

    My name is Jeff.

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