Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 982419 = 900000 + _____ + 400 + 19
- 489581 = _____ + 80000 + 9000 + 500 + 80 + 1
- 547945 = 500000 + 40000 + _____ + 900 + 40 + 5
- 915438 = 900000 + 10000 + 5000 + _____ + 30 + 8
(a)
982419 = 900000 + _____ + 400 + 19
982419 = 900000 + _____ + 419
982419 - 900000 - 419 = 82000
(b)
489581 = _____ + 80000 + 9000 + 500 + 80 + 1
489581 = _____ + 89581
489581 - 89581 = 400000
(c)
547945 = 500000 + 40000 + _____ + 900 + 40 + 5
547945 = 540000 + _____ + 945
547945 - 540000 - 945 = 7000
(d)
915438 = 900000 + 10000 + 5000 + _____ + 30 + 8
915438 = 915000 + _____ + 38
915438 - 915000 - 38 = 400
Answer(s): 82000, 400000, 7000, 400