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Developing Essential Understanding of Ratios, Proportions, and Proportional Reasoning in Grades 6-8
Amy EllisCurrent price €45.59Original price €47.99How do you refute the erroneous claim that all ratios are fractions? This book goes beyond a simple introduction to ratios, proportions and proport...
View full detailsCurrent price €45.59Original price €47.99Save 5%
