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Plus 2, minus 2
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Plus 2, minus 2
-- Plus two, minus two
Copies
2 Total copies, 1 Copies are in, 1 Copies are out.
Teaches how groups change when you add two or take away two.
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Authors
Matzke, Ann H
Subjects
Two (The number)
Arithmetic.
Language
English
Series
Little world math concepts Rourke discovery library
Dimensions
21 cm.