| 摘要 |
An apparatus for teaching (20) generally includes a math board (22) having a plurality of rows (24) and a plurality of columns (26). The plurality of rows and the plurality of columns form a plurality of grid cells (28). The apparatus for teaching further includes a plurality of whole numbers (30) arranged in consecutive order, such that the plurality of whole numbers are disposed within the plurality of grid cells. The plurality of grid cells are capable of being used to identify a pattern in a numerical operation.
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