Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 474530 = 400000 + _____ + 500 + 30
- 691362 = _____ + 90000 + 1000 + 300 + 60 + 2
- 827763 = 800000 + 20000 + _____ + 700 + 60 + 3
- 216897 = 200000 + 10000 + 6000 + _____ + 90 + 7
(a)
474530 = 400000 + _____ + 500 + 30
474530 = 400000 + _____ + 530
474530 - 400000 - 530 = 74000
(b)
691362 = _____ + 90000 + 1000 + 300 + 60 + 2
691362 = _____ + 91362
691362 - 91362 = 600000
(c)
827763 = 800000 + 20000 + _____ + 700 + 60 + 3
827763 = 820000 + _____ + 763
827763 - 820000 - 763 = 7000
(d)
216897 = 200000 + 10000 + 6000 + _____ + 90 + 7
216897 = 216000 + _____ + 97
216897 - 216000 - 97 = 800
Answer(s): 74000, 600000, 7000, 800