Patent ID: 8360780

Claim:
A method of making a multiplication and division puzzle, comprising the steps of: formulating a table having a plurality of cells arranged in rows and columns, of which there are a first row, a first column and a plurality of remaining cells to be filled, each of said plurality of remaining cells is located at an intersection of a respective column and a respective row, filling the cells of the first row with multipliers, filling the cells of the first column with multipliers, filling the remaining cells with products of respective row and respective column multipliers forming a main table filled with correct answers, providing a template having a plurality of cells which correspond in form to the plurality of cells in the main table, said template having a plurality of empty cells, forming a selection of cells for removal by selecting a plurality of cells of said template to remove which respectively correspond to cells of the main table, creating one opening or a plurality of openings in said template by removing said selection of cells forming a template with opening which has one or more openings; said template with opening also has a plurality of cells which were not removed, utilizing the template with opening to generate a puzzle blank, generating said puzzle blank by superimposing the template with opening over the main table such that the plurality of cells which were not removed conceal corresponding cells of the main table, said one opening or said plurality of openings revealing a plurality of products contained in a corresponding cells of the main table; said revealing forming a revealed products, said superimposing of said template with opening forming a puzzle blank having said revealed products, said revealed products forming a plurality of puzzle clues, converting the puzzle blank into a puzzle having said plurality of puzzle clues and a plurality of blank cells to be completed by a player's entry of an answer into a respective blank cell, said plurality of puzzle clues are each a correct answer at a respective puzzle clue's cell, said plurality of puzzle clues are visible to the user from an onset of play, and said plurality of puzzle clues are present in respective cells which contain said plurality of puzzle clues from the onset of play.