Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 472158 = 400000 + _____ + 100 + 58
- 637297 = _____ + 30000 + 7000 + 200 + 90 + 7
- 629786 = 600000 + 20000 + _____ + 700 + 80 + 6
- 362365 = 300000 + 60000 + 2000 + _____ + 60 + 5
(a)
472158 = 400000 + _____ + 100 + 58
472158 = 400000 + _____ + 158
472158 - 400000 - 158 = 72000
(b)
637297 = _____ + 30000 + 7000 + 200 + 90 + 7
637297 = _____ + 37297
637297 - 37297 = 600000
(c)
629786 = 600000 + 20000 + _____ + 700 + 80 + 6
629786 = 620000 + _____ + 786
629786 - 620000 - 786 = 9000
(d)
362365 = 300000 + 60000 + 2000 + _____ + 60 + 5
362365 = 362000 + _____ + 65
362365 - 362000 - 65 = 300
Answer(s): 72000, 600000, 9000, 300