Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 100 + 50 + _____ = 151
- 3000 + _____ + 40 = 3740
- _____ + 30 + 4 = 9034
- 50000 + _____ + 6 = 58706
(a)
100 + 50 + _____ = 151
150 + _____ = 151
151 - 150 = 1
(b)
3000 + _____ + 40 = 3740
3040+ _____ = 3740
3740 - 3040 = 700
(c)
_____ + 30 + 4 = 9034
_____ + 34 = 9034
9034 - 34 = 9000
(d)
50000 + _____ + 6 = 58706
50006 + _____ = 58706
58706 - 50006 = 8700
Answer(s): 1, 700, 9000, 8700