Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 489148 = 400000 + _____ + 100 + 48
- 814852 = _____ + 10000 + 4000 + 800 + 50 + 2
- 691459 = 600000 + 90000 + _____ + 400 + 50 + 9
- 775634 = 700000 + 70000 + 5000 + _____ + 30 + 4
(a)
489148 = 400000 + _____ + 100 + 48
489148 = 400000 + _____ + 148
489148 - 400000 - 148 = 89000
(b)
814852 = _____ + 10000 + 4000 + 800 + 50 + 2
814852 = _____ + 14852
814852 - 14852 = 800000
(c)
691459 = 600000 + 90000 + _____ + 400 + 50 + 9
691459 = 690000 + _____ + 459
691459 - 690000 - 459 = 1000
(d)
775634 = 700000 + 70000 + 5000 + _____ + 30 + 4
775634 = 775000 + _____ + 34
775634 - 775000 - 34 = 600
Answer(s): 89000, 800000, 1000, 600