Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 267421 = 200000 + _____ + 400 + 21
- 598239 = _____ + 90000 + 8000 + 200 + 30 + 9
- 544823 = 500000 + 40000 + _____ + 800 + 20 + 3
- 789139 = 700000 + 80000 + 9000 + _____ + 30 + 9
(a)
267421 = 200000 + _____ + 400 + 21
267421 = 200000 + _____ + 421
267421 - 200000 - 421 = 67000
(b)
598239 = _____ + 90000 + 8000 + 200 + 30 + 9
598239 = _____ + 98239
598239 - 98239 = 500000
(c)
544823 = 500000 + 40000 + _____ + 800 + 20 + 3
544823 = 540000 + _____ + 823
544823 - 540000 - 823 = 4000
(d)
789139 = 700000 + 80000 + 9000 + _____ + 30 + 9
789139 = 789000 + _____ + 39
789139 - 789000 - 39 = 100
Answer(s): 67000, 500000, 4000, 100