Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 413839 = 400000 + _____ + 800 + 39
- 631799 = _____ + 30000 + 1000 + 700 + 90 + 9
- 977214 = 900000 + 70000 + _____ + 200 + 10 + 4
- 515887 = 500000 + 10000 + 5000 + _____ + 80 + 7
(a)
413839 = 400000 + _____ + 800 + 39
413839 = 400000 + _____ + 839
413839 - 400000 - 839 = 13000
(b)
631799 = _____ + 30000 + 1000 + 700 + 90 + 9
631799 = _____ + 31799
631799 - 31799 = 600000
(c)
977214 = 900000 + 70000 + _____ + 200 + 10 + 4
977214 = 970000 + _____ + 214
977214 - 970000 - 214 = 7000
(d)
515887 = 500000 + 10000 + 5000 + _____ + 80 + 7
515887 = 515000 + _____ + 87
515887 - 515000 - 87 = 800
Answer(s): 13000, 600000, 7000, 800