Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 268403 = 200000 + _____ + 400 + 3
- 825874 = _____ + 20000 + 5000 + 800 + 70 + 4
- 691116 = 600000 + 90000 + _____ + 100 + 10 + 6
- 996983 = 900000 + 90000 + 6000 + _____ + 80 + 3
(a)
268403 = 200000 + _____ + 400 + 3
268403 = 200000 + _____ + 403
268403 - 200000 - 403 = 68000
(b)
825874 = _____ + 20000 + 5000 + 800 + 70 + 4
825874 = _____ + 25874
825874 - 25874 = 800000
(c)
691116 = 600000 + 90000 + _____ + 100 + 10 + 6
691116 = 690000 + _____ + 116
691116 - 690000 - 116 = 1000
(d)
996983 = 900000 + 90000 + 6000 + _____ + 80 + 3
996983 = 996000 + _____ + 83
996983 - 996000 - 83 = 900
Answer(s): 68000, 800000, 1000, 900