Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 862670 = 800000 + _____ + 600 + 70
- 879358 = _____ + 70000 + 9000 + 300 + 50 + 8
- 141552 = 100000 + 40000 + _____ + 500 + 50 + 2
- 498397 = 400000 + 90000 + 8000 + _____ + 90 + 7
(a)
862670 = 800000 + _____ + 600 + 70
862670 = 800000 + _____ + 670
862670 - 800000 - 670 = 62000
(b)
879358 = _____ + 70000 + 9000 + 300 + 50 + 8
879358 = _____ + 79358
879358 - 79358 = 800000
(c)
141552 = 100000 + 40000 + _____ + 500 + 50 + 2
141552 = 140000 + _____ + 552
141552 - 140000 - 552 = 1000
(d)
498397 = 400000 + 90000 + 8000 + _____ + 90 + 7
498397 = 498000 + _____ + 97
498397 - 498000 - 97 = 300
Answer(s): 62000, 800000, 1000, 300