Module 4: Place Value, Comparison, Addition and Subtraction to 40
Use place value to add, subtract, and compare.
29 Instructional Days (29 Hours)
Description
Module 4 builds upon Module 2’s work with place value within 20, now focusing on the role of place value in the addition and subtraction of numbers to 40. Students study, organize, and manipulate numbers within 40. They compare quantities and begin using the symbols for greater than (>) and less than (