Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 865174 = 800000 + _____ + 100 + 74
- 193157 = _____ + 90000 + 3000 + 100 + 50 + 7
- 399132 = 300000 + 90000 + _____ + 100 + 30 + 2
- 553754 = 500000 + 50000 + 3000 + _____ + 50 + 4
(a)
865174 = 800000 + _____ + 100 + 74
865174 = 800000 + _____ + 174
865174 - 800000 - 174 = 65000
(b)
193157 = _____ + 90000 + 3000 + 100 + 50 + 7
193157 = _____ + 93157
193157 - 93157 = 100000
(c)
399132 = 300000 + 90000 + _____ + 100 + 30 + 2
399132 = 390000 + _____ + 132
399132 - 390000 - 132 = 9000
(d)
553754 = 500000 + 50000 + 3000 + _____ + 50 + 4
553754 = 553000 + _____ + 54
553754 - 553000 - 54 = 700
Answer(s): 65000, 100000, 9000, 700