Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 444488 = 400000 + _____ + 400 + 88
- 924892 = _____ + 20000 + 4000 + 800 + 90 + 2
- 847288 = 800000 + 40000 + _____ + 200 + 80 + 8
- 751723 = 700000 + 50000 + 1000 + _____ + 20 + 3
(a)
444488 = 400000 + _____ + 400 + 88
444488 = 400000 + _____ + 488
444488 - 400000 - 488 = 44000
(b)
924892 = _____ + 20000 + 4000 + 800 + 90 + 2
924892 = _____ + 24892
924892 - 24892 = 900000
(c)
847288 = 800000 + 40000 + _____ + 200 + 80 + 8
847288 = 840000 + _____ + 288
847288 - 840000 - 288 = 7000
(d)
751723 = 700000 + 50000 + 1000 + _____ + 20 + 3
751723 = 751000 + _____ + 23
751723 - 751000 - 23 = 700
Answer(s): 44000, 900000, 7000, 700