Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 293144 = 200000 + _____ + 100 + 44
- 359488 = _____ + 50000 + 9000 + 400 + 80 + 8
- 632179 = 600000 + 30000 + _____ + 100 + 70 + 9
- 281447 = 200000 + 80000 + 1000 + _____ + 40 + 7
(a)
293144 = 200000 + _____ + 100 + 44
293144 = 200000 + _____ + 144
293144 - 200000 - 144 = 93000
(b)
359488 = _____ + 50000 + 9000 + 400 + 80 + 8
359488 = _____ + 59488
359488 - 59488 = 300000
(c)
632179 = 600000 + 30000 + _____ + 100 + 70 + 9
632179 = 630000 + _____ + 179
632179 - 630000 - 179 = 2000
(d)
281447 = 200000 + 80000 + 1000 + _____ + 40 + 7
281447 = 281000 + _____ + 47
281447 - 281000 - 47 = 400
Answer(s): 93000, 300000, 2000, 400