All Products by Nina Liu

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Organizing and Collecting

Nina Liu , Maarten Dolk , Catherine 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,... more

The Double-Decker Bus

Maarten Dolk , Catherine Fosnot , Nina Liu

Pub Date: 3/5/2008 1
Product Type: Paperback
Grade: K - 1st

The Double Decker Bus: Early Addition and Subtractionis 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 a double-decker bus—a bus that has two decks with ten seats on each. Five seats on each deck are red and five seats... more