Complete word problems involving the addition of two 2-digit numbers. Scaffolding is provided for setting up the operation, completing the addition in column format, and giving the answer with correct units
A. Add 2-digit numbers using the standard algorithm with regrouping
C. Add 3-digit numbers using the standard algorithm with regrouping (Level 1)
D. Add 3-digit numbers using the standard algorithm with regrouping (Level 2)
E. Add 3-digit numbers using the standard algorithm with regrouping to solve word problems (Level 1)
F. Add 3-digit numbers using the standard algorithm with regrouping to solve word problems (Level 2)
G. Add 3-digit numbers using the standard algorithm with regrouping (Level 3)
H. Add 3-digit numbers using the standard algorithm with regrouping to solve word problems (Level 3)