Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 243981 = 200000 + _____ + 900 + 81
- 859474 = _____ + 50000 + 9000 + 400 + 70 + 4
- 217533 = 200000 + 10000 + _____ + 500 + 30 + 3
- 916242 = 900000 + 10000 + 6000 + _____ + 40 + 2
(a)
243981 = 200000 + _____ + 900 + 81
243981 = 200000 + _____ + 981
243981 - 200000 - 981 = 43000
(b)
859474 = _____ + 50000 + 9000 + 400 + 70 + 4
859474 = _____ + 59474
859474 - 59474 = 800000
(c)
217533 = 200000 + 10000 + _____ + 500 + 30 + 3
217533 = 210000 + _____ + 533
217533 - 210000 - 533 = 7000
(d)
916242 = 900000 + 10000 + 6000 + _____ + 40 + 2
916242 = 916000 + _____ + 42
916242 - 916000 - 42 = 200
Answer(s): 43000, 800000, 7000, 200