Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 688767 = 600000 + _____ + 700 + 67
- 646971 = _____ + 40000 + 6000 + 900 + 70 + 1
- 547671 = 500000 + 40000 + _____ + 600 + 70 + 1
- 517265 = 500000 + 10000 + 7000 + _____ + 60 + 5
(a)
688767 = 600000 + _____ + 700 + 67
688767 = 600000 + _____ + 767
688767 - 600000 - 767 = 88000
(b)
646971 = _____ + 40000 + 6000 + 900 + 70 + 1
646971 = _____ + 46971
646971 - 46971 = 600000
(c)
547671 = 500000 + 40000 + _____ + 600 + 70 + 1
547671 = 540000 + _____ + 671
547671 - 540000 - 671 = 7000
(d)
517265 = 500000 + 10000 + 7000 + _____ + 60 + 5
517265 = 517000 + _____ + 65
517265 - 517000 - 65 = 200
Answer(s): 88000, 600000, 7000, 200