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Don’t Break the Bank

Game Board

Don't Break the Bank - Polypad - Mathigon
Virtual Manipulatives for Mathematics Classrooms: polygons, number and algebra tiles, fraction bars, tangram, pentominoes, and more.


  1. Roll a dice and then place it in one of the 9 spots. Repeat for all 9 dice.
  1. Add the 3-digit numbers.
  1. Try to get as close to 999 as a sum without going over!

Number of Players

Blockout can be played individually or in groups.

Video Overview

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Further Reading

For more about using Don't Break the Bank in the classroom, visit