Assign the Expanded Form Subtraction Practice
Homework Masters after Part 1 of the lesson.
Students practice writing numbers in expanded
form and use expanded form to solve subtraction
problems.
Assign the Solve and Check Homework Masters
after Part 2 of the lesson to provide practice
using expanded form to subtract and checking
subtraction with addition.
Assign DPP items O–R. In item O, students
practice telling time to five minutes. In Item P,
students estimate costs. In Item Q, students
practice measuring to the nearest centimeter and
inches. Item R asks students to explain how
another student solved a subtraction problem.
