Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 521288 = 500000 + _____ + 200 + 88
- 342178 = _____ + 40000 + 2000 + 100 + 70 + 8
- 242227 = 200000 + 40000 + _____ + 200 + 20 + 7
- 521324 = 500000 + 20000 + 1000 + _____ + 20 + 4
(a)
521288 = 500000 + _____ + 200 + 88
521288 = 500000 + _____ + 288
521288 - 500000 - 288 = 21000
(b)
342178 = _____ + 40000 + 2000 + 100 + 70 + 8
342178 = _____ + 42178
342178 - 42178 = 300000
(c)
242227 = 200000 + 40000 + _____ + 200 + 20 + 7
242227 = 240000 + _____ + 227
242227 - 240000 - 227 = 2000
(d)
521324 = 500000 + 20000 + 1000 + _____ + 20 + 4
521324 = 521000 + _____ + 24
521324 - 521000 - 24 = 300
Answer(s): 21000, 300000, 2000, 300