Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 947323 = 900000 + _____ + 300 + 23
- 671458 = _____ + 70000 + 1000 + 400 + 50 + 8
- 186645 = 100000 + 80000 + _____ + 600 + 40 + 5
- 759774 = 700000 + 50000 + 9000 + _____ + 70 + 4
(a)
947323 = 900000 + _____ + 300 + 23
947323 = 900000 + _____ + 323
947323 - 900000 - 323 = 47000
(b)
671458 = _____ + 70000 + 1000 + 400 + 50 + 8
671458 = _____ + 71458
671458 - 71458 = 600000
(c)
186645 = 100000 + 80000 + _____ + 600 + 40 + 5
186645 = 180000 + _____ + 645
186645 - 180000 - 645 = 6000
(d)
759774 = 700000 + 50000 + 9000 + _____ + 70 + 4
759774 = 759000 + _____ + 74
759774 - 759000 - 74 = 700
Answer(s): 47000, 600000, 6000, 700