Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 641871 = 600000 + _____ + 800 + 71
- 985252 = _____ + 80000 + 5000 + 200 + 50 + 2
- 539678 = 500000 + 30000 + _____ + 600 + 70 + 8
- 472884 = 400000 + 70000 + 2000 + _____ + 80 + 4
(a)
641871 = 600000 + _____ + 800 + 71
641871 = 600000 + _____ + 871
641871 - 600000 - 871 = 41000
(b)
985252 = _____ + 80000 + 5000 + 200 + 50 + 2
985252 = _____ + 85252
985252 - 85252 = 900000
(c)
539678 = 500000 + 30000 + _____ + 600 + 70 + 8
539678 = 530000 + _____ + 678
539678 - 530000 - 678 = 9000
(d)
472884 = 400000 + 70000 + 2000 + _____ + 80 + 4
472884 = 472000 + _____ + 84
472884 - 472000 - 84 = 800
Answer(s): 41000, 900000, 9000, 800