Description
Lessons 138-170. Unit 5 covers addition and subtraction 16's-18's. The workbooks have continuous review built into the lessons.
They include reading problems, speed drills, and pounds and ounces are introduced.
Lessons 138-170. Unit 5 covers addition and subtraction 16's-18's. The workbooks have continuous review built into the lessons.
They include reading problems, speed drills, and pounds and ounces are introduced.