Game Preview

Problem Solving

  •  English    19     Public
    Add and subtract within 20
  •   Study   Slideshow
  • Kimtan has 5 black toy cars. He also has 7 white toy cars. How many cars does he have altogether?
    Kimtan has 12 toy cars altogether.
  •  25
  • Ben has 8 marbles. Fifa gives him 9 marbles. How many marbles does Ben have now?
    Ben has 17 marbles now.
  •  25
  • Teresa has 13 ribbons. She gives 5 ribbons to Gamsai. How many ribbons Teresa have left?
    Teresa has 8 ribbons left.
  •  25
  • Maimuan bakes 12 cakes. She sells some cakes. She has 4 cakes left. How many cakes does she sell?
    She sells 8 cakes.
  •  25
  • Mayya makes some butterfly knots. Mayya gives 7 butterfly knots to her friends. She has 9 butterfly knots left. How many butterfly knots did Mayya have at first?
    Mayya had 16 butterfly knots at first.
  •  25
  • 10___6=4
    -
  •  25
  • 7___5=12
    +
  •  25
  • 16____9=7
    -
  •  25
  • 9___7=16
    +
  •  25
  • 11___3=14
    +
  •  25
  • 14___6=20
    +
  •  25
  • 17___2=15
    -
  •  25
  • 12___8=20
    +
  •  25
  • 18-____=8
    10
  •  25
  • ____-10=10
    20
  •  25
  • 20-______=20
    0
  •  25