640004
9780060289263
Lets Make a Deal!Mike and his little brother, Andy, are headed for the Dinosaur Card Trading Fair. They're ready to wheel and deal. It's, 4 "Stegosaurus for 1 "Triceratops, and 2 "Triceratops for 1 "Allosaurus. But can they get what they really want: the tremendous, gigantic, ferocious, "Tyrannosaurus rex? The math concept of equivalency -- understanding when values are equal -- is introduced in this fast-paced story as two brothers try to beat the clock and make the ultimate trade.Murphy, Stuart J. is the author of 'Dinosaur Deals', published 2001 under ISBN 9780060289263 and ISBN 0060289260.
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