Every odd integer is the difference of 2 squares Proof: 1) Pick an odd number ░░ ░░ ░░ ░░ ░░ 2) Bend it in half ░░ ░░ ░░ ░░ ░░ 3) Fill in the rest ░░ ░░ ░░ ░░ ▓▓ ▓▓ ░░ ▓▓ ▓▓ The odd nbr is the area difference of the big and small squares

Every odd integer is the difference of 2 squares Proof: 1) Pick an odd number ░░ ░░ ░░ ░░ ░░ 2) Bend it in half ░░ ░░ ░░ ░░ ░░ 3) Fill in the rest ░░ ░░ ░░ ░░ ▓▓ ▓▓ ░░ ▓▓ ▓▓ The odd nbr is the area difference of the big and small squares