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CPM Course 2 – Chapter 2

Fractions and Integer Addition

In this chapter, students begin to work with integers.  The themes are fractions and integer addition. During this chapter students:

  • Use linear models to find the sum of positive and negative numbers (integers) as well as multiplication (repeated addition).
  • Work with signed rational numbers ( fractions).
  • Work with coordinate graphs including plotting integer, fractional, and decimal coordinates.

Homework help for this chapter is here

Homework help offers tips, strategies and sometimes solutions for every homework question in this chapter.


  • Parent Guide from CPM for this chapter is here
  • Khan academy videos on adding and subtracting rational numbers are here