Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 625650 = 600000 + _____ + 600 + 50
- 498812 = _____ + 90000 + 8000 + 800 + 10 + 2
- 675457 = 600000 + 70000 + _____ + 400 + 50 + 7
- 864877 = 800000 + 60000 + 4000 + _____ + 70 + 7
(a)
625650 = 600000 + _____ + 600 + 50
625650 = 600000 + _____ + 650
625650 - 600000 - 650 = 25000
(b)
498812 = _____ + 90000 + 8000 + 800 + 10 + 2
498812 = _____ + 98812
498812 - 98812 = 400000
(c)
675457 = 600000 + 70000 + _____ + 400 + 50 + 7
675457 = 670000 + _____ + 457
675457 - 670000 - 457 = 5000
(d)
864877 = 800000 + 60000 + 4000 + _____ + 70 + 7
864877 = 864000 + _____ + 77
864877 - 864000 - 77 = 800
Answer(s): 25000, 400000, 5000, 800