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Students can practice subtracting within 20 using this fun activity pack! Roll the 10-sided dice to get the answer (aka difference) and then locate a subtraction equation that equals your dice roll. Put one of your bingo chips on it to claim that square. Six different playing mats keep the game fresh, and there are several ways to score this game!


Need a little help with the math? That's ok! We've included a number line and double 10-frame with counting chips to assist when needed.


Skills Practiced:

  • Subtraction within 20
  • Subtracting with a number line
  • Subtracting with 10-frames


Recommended grade levels: 1-2

Number of Players: 1-2



  • 3 Double-sided playing mats
  • 1 Subtraction tool and scoring mat
  • 2 Sea animal tokens
  • 70 Bingo chips + 20 counting chips
  • 1 Ten-sided dice
  • Instructions
  • Poly storage envelope

** Colors of dice and bingo chips may vary. **


Related Products:


Possible Choking Hazard:

Product may contain small pieces. Provide appropriate supervision for children under 3 years old.

Subtraction Under the Sea

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