Level 5–6 is divided into three activity sections: algebra, proportional reasoning, and integer activities. Each section begins with an Anchor Activity followed by five or six further explorations and extensions that are connected in some way to the Anchor.
Adventures in Algebra focuses on describing patterns and relationships with symbols and evaluating expressions and equations. 
IM® v.360 K-5 Math is an IM Certified curriculum providing trusted, highly rated materials to ensure students thrive in mathematics. Each Illustrative Mathematics lesson has four phases, from pre-unit practice modules to cool downs, focusing students’ attention on definitions, notations, and graphical conventions contributing to the development of real numbers.
Grade 1
The big ideas in grade 1 include: developing understanding of addition, subtraction, and strategies for addition and subtraction within 20; developing understanding