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.
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
For grades 8-10, this unit explores five themes or threads of change in nineteenth century American history through literature of the times: Romanticism, transcendentalism, abolitionism, industrialism, and feminism. Each of the five “isms” has its own “Literature Box” that contains appropriate documents to serve as a resource for small investigative teams of students. The “isms” are investigated as change agents in American life through the study of key writings of the period, including the works of Whitman, Hawthorne, Melville, Thoreau, and Emerson. Students produce both written and oral p