Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 386437 = 300000 + _____ + 400 + 37
- 422529 = _____ + 20000 + 2000 + 500 + 20 + 9
- 633719 = 600000 + 30000 + _____ + 700 + 10 + 9
- 991799 = 900000 + 90000 + 1000 + _____ + 90 + 9
(a)
386437 = 300000 + _____ + 400 + 37
386437 = 300000 + _____ + 437
386437 - 300000 - 437 = 86000
(b)
422529 = _____ + 20000 + 2000 + 500 + 20 + 9
422529 = _____ + 22529
422529 - 22529 = 400000
(c)
633719 = 600000 + 30000 + _____ + 700 + 10 + 9
633719 = 630000 + _____ + 719
633719 - 630000 - 719 = 3000
(d)
991799 = 900000 + 90000 + 1000 + _____ + 90 + 9
991799 = 991000 + _____ + 99
991799 - 991000 - 99 = 700
Answer(s): 86000, 400000, 3000, 700