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National Council of Teachers of Mathematics
> Sarah Wallus Hancock
Sarah Wallus Hancock
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ISBN-13
(ISBN-10)
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tion
other author(s)
Developing Essential Understanding of Multiplication and Division for Teaching Mathematics in Grades 3-5
978-O-87353-667-7
(O-87353-667-3)
2011
Albert Otto · Janet Caldwell
S H
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S. W.
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Sarah W.
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W H
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W Hancock
Sarah Walsh