In this unit, students explore our numeration system in depth. Students begin by looking at patterns in our system and then work with other systems to help discover what constitutes a place-value system and a base system. By analyzing the structure of each system and comparing and contrasting different numeration systems, they will gain a deeper understanding of place value and bases and be able to justify why our system is both a place-value system and a base system.
Building a New System: Colonial America 1607-1763
Grades 4-5
This unit begins with an in-depth study of the interrelationships within the Chesapeake Bay System between the Native Americans and the early English colonists in Virginia. The unit then turns to an exploration of the economic, social, and political systems of early America across the colonies, comparing and contrasting the
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 4
The big ideas in grade 4 include: developing understanding and fluency with multi-digit multiplication, and developing understanding of dividing to find quotients i