Students use the standard algorithm to write and solve a multi-digit column subtraction equation in which the minuend ends in zeroes. They use a disk model to support regrouping
A. Use column subtraction with multi-digit numbers
B. Solve 4-digit column subtraction with regrouping (Level 1)
C. Solve 4-digit column subtraction with regrouping (Level 2)
D. Write and solve multi-digit column subtraction
F. Solve 5-digit column subtraction with regrouping
G. Pretest. Finding the Area and Perimeter of a Rectangle