Remove the white squares from the board using a simple rule of logic.
42 brainteasers to solve in all!
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XLOX - Learning Connections
Essential SkillsProblem Solving - 42 puzzles in all
Logical Thinking - look for the best sequence of steps
Spatial Reasoning - determine where new squares will appear
Common Core ConnectionMP1 - Make sense of problems and persevere in solving them.
MP7 - Look for and make use of structure.