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Peer reviewedNicholson, A. R. – Mathematics in School, 1989
Presents examples of 3-by-3 and 4-by-4 magic squares. Proves that the numbers 1 to 10 can not be fitted to the intersections of a pentagram and that the sum of the 4 numbers on each line is always 22. (YP)
Descriptors: College Mathematics, Higher Education, Mathematical Applications, Mathematical Formulas
Peer reviewedSchwartzman, Jan; Shultz, Harris S. – Mathematics Teacher, 1989
A square-dance number is defined as an even number which has the property that the set which consisted of the numbers one through the even number can be partitioned into pairs so that the sum of each pair is a square. Theorems for identifying square-dance numbers are discussed. (YP)
Descriptors: Mathematical Applications, Mathematical Formulas, Mathematical Logic, Mathematics
Peer reviewedSawyer, W. W. – Mathematics in School, 1989
This article discusses the classroom use of discovery of number pattern. Provided are examples of a table of squares, multiplications of numbers, and algebraic expressions. (YP)
Descriptors: Algebra, Elementary Education, Elementary School Mathematics, Mathematical Applications
