Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 383981 = 300000 + _____ + 900 + 81
- 974714 = _____ + 70000 + 4000 + 700 + 10 + 4
- 237442 = 200000 + 30000 + _____ + 400 + 40 + 2
- 319858 = 300000 + 10000 + 9000 + _____ + 50 + 8
(a)
383981 = 300000 + _____ + 900 + 81
383981 = 300000 + _____ + 981
383981 - 300000 - 981 = 83000
(b)
974714 = _____ + 70000 + 4000 + 700 + 10 + 4
974714 = _____ + 74714
974714 - 74714 = 900000
(c)
237442 = 200000 + 30000 + _____ + 400 + 40 + 2
237442 = 230000 + _____ + 442
237442 - 230000 - 442 = 7000
(d)
319858 = 300000 + 10000 + 9000 + _____ + 50 + 8
319858 = 319000 + _____ + 58
319858 - 319000 - 58 = 800
Answer(s): 83000, 900000, 7000, 800