Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 918388 = 900000 + _____ + 300 + 88
- 515324 = _____ + 10000 + 5000 + 300 + 20 + 4
- 442663 = 400000 + 40000 + _____ + 600 + 60 + 3
- 431588 = 400000 + 30000 + 1000 + _____ + 80 + 8
(a)
918388 = 900000 + _____ + 300 + 88
918388 = 900000 + _____ + 388
918388 - 900000 - 388 = 18000
(b)
515324 = _____ + 10000 + 5000 + 300 + 20 + 4
515324 = _____ + 15324
515324 - 15324 = 500000
(c)
442663 = 400000 + 40000 + _____ + 600 + 60 + 3
442663 = 440000 + _____ + 663
442663 - 440000 - 663 = 2000
(d)
431588 = 400000 + 30000 + 1000 + _____ + 80 + 8
431588 = 431000 + _____ + 88
431588 - 431000 - 88 = 500
Answer(s): 18000, 500000, 2000, 500