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Mental Math Strategies

  •   Game Code: 1011181
  •  English    19     Public
    Practicing mental math strategies
  •   Study   Slideshow
  • 21 + 40? Strategy?
    61 - Jump strategy
  •  15
  • 36 - 10? Strategy?
    26 - Jump strategy
  •  15
  • 10 + 10? Strategy?
    20 - Doubles or jump strategy
  •  15
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