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Partitioning tens and hundereds

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  • What is the equation?
    *
  • 2 + 3
    5
  • What is the equation?
    *
  • What is hiding?
    *
  • 50 + 50
    100
  • What is the equation?
    *
  • 3 + 4
    7
  • 20 + 30
    50
  • 30 + 40
    70
  • 30 + 70
    100
  • 20 + 80
    100
  • What is hiding?
    *
  • 10 + 90
    100
  • 60 + 40
    100
  • What is the equation?
    *
  • What is the equation?
    *
  • What is hiding?
    *
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