Study

Sub on Number line (10's)

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  • 60-20=
    40
  • 100-50=
    50
  • 50-30=
    20
  • 70-30=
    40
  • 80-50=
    30
  • 30-30=
    0
  • 100-80=
    20
  • 40-10=
    30
  • 90-30=
    60
  • 90-20=
    70
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