Addition with different number of digits: • Add 2401 , 101 and 60 Th H T O Expressed in expanded form 2 4 0 1 = 2000 + 400 + 0 + 1 1 0 1 + = 100 + 0 + 1 + 6 0 = 60+ 0 2 5 6 2 = 2000 + 500 + 60 + 2