Overview book for Contexts for Learning, level 2

Explores with increasing sophistication big ideas in multiplication and division including systematic factoring and the distributive, associative, and cummutative properties, as well as their use in computation. Unit books each comprise a two week sequence of investigations, games, and minilessons that foster a deep conceptual understanding of essential mathematical ideas. The yearlong resources provide strings of related problems that develop students' deep number sense and expand their repertoire of strategies for mental arithmetic. Accompanying units include:
Groceries, Stamps and Measuring Strips
The Big Dinner
Muffle's Truffles
The Teachers' Lounge
The Box Factory