Counter Cutting Puzzle
Cut a 6×6 grid into 4 congruent pieces, each holding one black and one white counter
Observe the board
Start with the 6×6 board: 4 black counters and 4 white counters.
Select grid squares to find a complete piece. Your selection is shown in violet.
Area of every piece
36 ÷ 4 = 9
The area condition tells us what every congruent piece must have before drawing a cut.