Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 980946 = 900000 + _____ + 900 + 46
- 217715 = _____ + 10000 + 7000 + 700 + 10 + 5
- 527462 = 500000 + 20000 + _____ + 400 + 60 + 2
- 431457 = 400000 + 30000 + 1000 + _____ + 50 + 7
(a)
980946 = 900000 + _____ + 900 + 46
980946 = 900000 + _____ + 946
980946 - 900000 - 946 = 80000
(b)
217715 = _____ + 10000 + 7000 + 700 + 10 + 5
217715 = _____ + 17715
217715 - 17715 = 200000
(c)
527462 = 500000 + 20000 + _____ + 400 + 60 + 2
527462 = 520000 + _____ + 462
527462 - 520000 - 462 = 7000
(d)
431457 = 400000 + 30000 + 1000 + _____ + 50 + 7
431457 = 431000 + _____ + 57
431457 - 431000 - 57 = 400
Answer(s): 80000, 200000, 7000, 400