1181224
9780866512480
Math Sponges contains 52 activities that require little or no preparation and take from three to ten minutes to complete. Organized alphabetically, with a subject index. Includes hints, variations, and extensions. Perforated.Childs, Leigh is the author of 'Math Sponges Enriching Ways to Soak Up Spare Moments' with ISBN 9780866512480 and ISBN 0866512489.
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