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編輯推薦: |
Using dinosaur trading cards as a theme, Murphy explores the
concept of equivalent values. Mike and his brother, Andy, go to a
trading fair in hopes of finding a Tyrannosaurus rex card.
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內容簡介: |
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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關於作者: |
Stuart J. Murphy is a visual learning specialist. A graduate
of the Rhode Island School of Design, he has a strong background in
design and art direction. He also has extensive experience in the
world of educational publishing. Drawing on all these talents,
Stuart J. Murphy brings a unique perspective to the MathStart
series. In MathStart books, pictures do more than tell stories;
they teach math.
Stuart J. Murphy and his wife, Nancy, live in Boston.
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