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Plus 2, Minus 2
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Plus 2, Minus 2
Ann Matzke
Paperback (Rourke Educational Media, Aug. 1, 2011)
Teaches how groups change when you add two or take away two.
K
Plus 2, Minus 2
Ann Matzke
Library Binding (Rourke Pub Group, Aug. 1, 2011)
Plus 2, Minus 2 relates counting by 2 to addition and subtraction.
I