Singapore Math Challenge 4th Grade Math Workbooks Singapore Math Grade 4 and Up Patterns by Singapore Asian is available now for quick shipment to any U.S. location! This book, published in 1997 is in good condition or better. Over the years we have learned how to provide our customers with cheap prices on books and to do so with fast shipping. We know how overpriced books have become in recent years and so we have made it our mission to provide the most popular books at affordable prices. Just complete the checkout process for this book and it will be shipped to you for immediate use.

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