Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 481402 = 400000 + _____ + 400 + 2
- 431911 = _____ + 30000 + 1000 + 900 + 10 + 1
- 381965 = 300000 + 80000 + _____ + 900 + 60 + 5
- 546569 = 500000 + 40000 + 6000 + _____ + 60 + 9
(a)
481402 = 400000 + _____ + 400 + 2
481402 = 400000 + _____ + 402
481402 - 400000 - 402 = 81000
(b)
431911 = _____ + 30000 + 1000 + 900 + 10 + 1
431911 = _____ + 31911
431911 - 31911 = 400000
(c)
381965 = 300000 + 80000 + _____ + 900 + 60 + 5
381965 = 380000 + _____ + 965
381965 - 380000 - 965 = 1000
(d)
546569 = 500000 + 40000 + 6000 + _____ + 60 + 9
546569 = 546000 + _____ + 69
546569 - 546000 - 69 = 500
Answer(s): 81000, 400000, 1000, 500