Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 843712 = _____ x 100000 + 43712
- 843712 = _____ x 10000 + 803712
- 843712 = _____ x 1000 + 840712
- 843712 = _____ x 100 + 843012
(a)
843712 = _____ x 100000 + 43712
843712 - 43712 = _____ x 100000
800000 = _____ x 100000
800000 ÷ 100000 = 8
(b)
843712 = _____ x 10000 + 803712
843712 - 803712 = _____ x 10000
40000 = _____ x 10000
40000 ÷ 10000 = 4
(c)
843712 = _____ x 1000 + 840712
843712 - 840712 = _____ x 1000
3000 ÷ 1000 = 3
(d)
843712 = _____ x 100 + 843012
843712 - 843012 = _____ x 100
700 ÷ 100 = 7
Answer(s): 8, 4, 3, 7