The big ideas in IM Grade 2 include: extending understanding of the base-ten number system; building fluency with addition and subtraction; using standard units of measure; and describing and analyzing shapes.
The mathematical work for grade 2 is partitioned into 9 units:
Adding, Subtracting, and Working with Data
Adding and Subtracting within 100
Measuring Length
Addition and Subtraction on the Number Line
Numbers to 1,000
Geometry, Time, and Money
Adding and Subtracting within 1,000
Equal Groups
Putting it All Together