Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 445259 = 400000 + _____ + 200 + 59
- 197192 = _____ + 90000 + 7000 + 100 + 90 + 2
- 326535 = 300000 + 20000 + _____ + 500 + 30 + 5
- 489812 = 400000 + 80000 + 9000 + _____ + 10 + 2
(a)
445259 = 400000 + _____ + 200 + 59
445259 = 400000 + _____ + 259
445259 - 400000 - 259 = 45000
(b)
197192 = _____ + 90000 + 7000 + 100 + 90 + 2
197192 = _____ + 97192
197192 - 97192 = 100000
(c)
326535 = 300000 + 20000 + _____ + 500 + 30 + 5
326535 = 320000 + _____ + 535
326535 - 320000 - 535 = 6000
(d)
489812 = 400000 + 80000 + 9000 + _____ + 10 + 2
489812 = 489000 + _____ + 12
489812 - 489000 - 12 = 800
Answer(s): 45000, 100000, 6000, 800