Nina Liu
,
Maarten Dolk
,
Catherine Twomey Fosnot
Pub Date: 3/5/2008 1
Product Type: Paperback
Grade: 1st-2nd
Organizing and Collecting: The Number Systemis one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)
This unit begins with the story of the Masloppy family—an endearing, large family that finds it difficult to keep track of things. Everyone is forever losing,...
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