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counting by 10s

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  • How many blocks do you see?
    40
  • What number is it?
  • How many blocks do you see?
    40
  • 10 20 30 40 __
    50
  • How many blocks do you see?
    50
  • What number is it?
  • How many blocks do you see?
    10
  • What number is it?
  • How many blocks do you see?
    50
  • 10 20 __ 40 50
    30
  • 10 20 30 __ 50
    40
  • How many blocks do you see?
    20
  • What number is it?
  • How many blocks do you see?
    30
  • 10 __ 30 40 50
    20
  • How many blocks do you see?
    30
  • What number is it?
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