Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 615183 = 600000 + _____ + 100 + 83
- 381893 = _____ + 80000 + 1000 + 800 + 90 + 3
- 146152 = 100000 + 40000 + _____ + 100 + 50 + 2
- 194247 = 100000 + 90000 + 4000 + _____ + 40 + 7
(a)
615183 = 600000 + _____ + 100 + 83
615183 = 600000 + _____ + 183
615183 - 600000 - 183 = 15000
(b)
381893 = _____ + 80000 + 1000 + 800 + 90 + 3
381893 = _____ + 81893
381893 - 81893 = 300000
(c)
146152 = 100000 + 40000 + _____ + 100 + 50 + 2
146152 = 140000 + _____ + 152
146152 - 140000 - 152 = 6000
(d)
194247 = 100000 + 90000 + 4000 + _____ + 40 + 7
194247 = 194000 + _____ + 47
194247 - 194000 - 47 = 200
Answer(s): 15000, 300000, 6000, 200