1990 Contemporary's Number Sense: Discovering Basic Math Concepts -- Ratio & Proportion (Paperback/Saddle Stitch Binding)(11"x8.5") by Allan D. Suter ***ISBN-13: 9780809242221 ***Condition: Good Used ***Pages: 60 @math36.3side*;1g/math35top1/math35top5;1g>cb.math/1E @ASKU092523v
