Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 242205 = 200000 + _____ + 200 + 5
- 285623 = _____ + 80000 + 5000 + 600 + 20 + 3
- 331359 = 300000 + 30000 + _____ + 300 + 50 + 9
- 485275 = 400000 + 80000 + 5000 + _____ + 70 + 5
(a)
242205 = 200000 + _____ + 200 + 5
242205 = 200000 + _____ + 205
242205 - 200000 - 205 = 42000
(b)
285623 = _____ + 80000 + 5000 + 600 + 20 + 3
285623 = _____ + 85623
285623 - 85623 = 200000
(c)
331359 = 300000 + 30000 + _____ + 300 + 50 + 9
331359 = 330000 + _____ + 359
331359 - 330000 - 359 = 1000
(d)
485275 = 400000 + 80000 + 5000 + _____ + 70 + 5
485275 = 485000 + _____ + 75
485275 - 485000 - 75 = 200
Answer(s): 42000, 200000, 1000, 200