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Sizing up shapes
by Johnson, Rebecca L.
Publication:
Washington, D.C. : National Geographic, 2004
, 24 p. : col. ill., col. maps ; 23 cm. | Grades 3-8. | "Geometry" -- Cover. | "National Geographic reading expeditions" -- Cover. | Includes glossary and index.
Date:2004
Availability:
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(1),
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Crunching numbers
by Johnson, Rebecca L.
Publication:
Washington, D.C. : National Geographic, 2004
. 24 p. :
, Grades 3-8. | "Estimating, data analysis" -- Cover.
| "National Geographic reading expeditions" -- Cover. | Includes glossary and index.
23 cm.
Date:2004
Availability:
Copies available:
(1),
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Puzzling out patterns
by Johnson, Rebecca L.
Publication:
Washington, D.C. : National Geographic, 2004
. 24 p. :
, Includes glossary and index. | Grades 3-8. | "Ratios" -- Cover | "Patterns" -- Cover. | "National Geographic reading expeditions" -- Cover.
23 cm.
Date:2004
Availability:
Copies available:
(1),
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