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# Mathstart
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MathStart 3 : Dinosaur Deals: Equivalent Values (Paperback)
AR : 3.3

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.
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