Dorothy Burton, Herman Connolly, Elaine Dufresne, Rod Dyrholm, M.J. Farndale, Patricia Gordon, Merlin Leyshon, Judy Loose, V.M. Moynihan, P.N. Webber
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Drama in the Rationals
H. L. Larson
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Metrical Fun and Games
Nancy Clegg Buck
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Pre-Christmas Attention Getters
J. Crescimbeni
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Metric Cooking
Joan Routledge
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Math Art for Christmas
Kathleen M. Loudermilk
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On the Transformation of Rectangular Regions into Rectangular Regions of Equal Areas
William J. Bruce
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Ideas and Manipulatives you can try
Shirley Frye & Francis Somerville
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Formulae Chart and Summary of Main Points
D. L. Treslan
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On the Russian Peasant Multiplication Algorithm
William J. Bruce