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Dave's down-to-earth rock shop (Turtleback School & Library Binding Edition) (Mathstart: Level 3 (Prebound))

ISBN13: 9780613214094
ISBN: 0613214099
List Price: $16.0
Publisher: Turtleback
Published Date:
Pages: 40
Average Goodreads rating: 4.02/5

Josh and Amy have a rock collection, and they're learning everything about rocks from their friend Dave. When the time comes to organize their collection, Josh and Amy must practice the math skill of classification -- grouping objects by attributes such as color, shape, or size.