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| Duncan, David R. | 3 |
| Litwiller, Bonnie H. | 3 |
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Peer reviewedLitwiller, Bonnie H.; Duncan, David R. – School Science and Mathematics, 1974
Descriptors: Addition, Elementary School Mathematics, Instruction, Mathematical Enrichment
Peer reviewedLitwiller, Bonnie H.; Duncan, David R. – School Science and Mathematics, 1974
Descriptors: Congruence, Integers, Mathematical Concepts, Mathematical Enrichment
Peer reviewedDuncan, David R.; Litwiller, Bonnie H. – Two-Year College Mathematics Journal, 1973
The problem of determining the number of squares on a checkerboard is extended to finding the number of rectangles on an n x n board and finding the total numbers of cubes and rectangular solids in an n x n x n cube. (DT)
Descriptors: College Mathematics, Geometric Concepts, Mathematical Enrichment, Mathematics
