This is the Teacher Edition for Middle School Mathematics I. Mathematics I is an easy to follow and understand, straight forward math curriculum! Suggested use: 6th Grade This is a pdf download and consists of 196 pages. For each unit (below), this TE consists of a unit focus, a lesson purpose, suggestions for enrichment, a unit assessment and all answer keys.  Units include: Unit 1: Number Sense, Concepts and Operations Unit 2: Measurement Unit 3: Geometry Unit 4: Creating and Interpreting Patterns and Relationships Unit 5: Probability and Statistics