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Multiplying with Zeros

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  • 9,000 x 4
    36,000
  • 3 x 900
    2,700
  • 9,000 x 4
    36,000
  • True or False 8 x 5,000 =40,000
    True, the basic fact is 8 x 5 = 40, then add 3 zeros because the number increased 1,000 times
  • 200 x8
    1,600
  • 80 x 6
    480
  • 4,000 x 8
    32,000
  • 7 x 700
    4,900
  • 500 x 8
    4,000
  • 40 x 7
    280
  • 7 x 300
    2,100
  • True or False 700 x 8 = 5,600
    True, 7 x8= 56 with 2 zeros. The number increased by 100 times
  • 6 x 60
    360
  • 5,000 x 9
    45,000
  • True or False and why. 5 x 600= 300
    False, because 5 x 6 is 30, then 2 zeros increase the number 100 times. There should be 2 zeros added
  • 700 x 9
    6,300
  • 90 x 9
    810
  • 2,000 x 7
    14,000
  • 8 x 60
    480
  • 600 x 5
    3,000
  • 300 x 8
    2,400
  • 50 x 5
    250
  • 600 x 7
    4,200
  • 8 x 5,000
    40,000
  • 300 x 7
    2,100
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