Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 800 + 30 + _____ = 839
- 5000 + _____ + 60 = 5360
- _____ + 30 + 3 = 5033
- 20000 + _____ + 3 = 26703
(a)
800 + 30 + _____ = 839
830 + _____ = 839
839 - 830 = 9
(b)
5000 + _____ + 60 = 5360
5060+ _____ = 5360
5360 - 5060 = 300
(c)
_____ + 30 + 3 = 5033
_____ + 33 = 5033
5033 - 33 = 5000
(d)
20000 + _____ + 3 = 26703
20003 + _____ = 26703
26703 - 20003 = 6700
Answer(s): 9, 300, 5000, 6700