Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 231943 = _____ x 100000 + 31943
- 231943 = _____ x 10000 + 201943
- 231943 = _____ x 1000 + 230943
- 231943 = _____ x 100 + 231043
(a)
231943 = _____ x 100000 + 31943
231943 - 31943 = _____ x 100000
200000 = _____ x 100000
200000 ÷ 100000 = 2
(b)
231943 = _____ x 10000 + 201943
231943 - 201943 = _____ x 10000
30000 = _____ x 10000
30000 ÷ 10000 = 3
(c)
231943 = _____ x 1000 + 230943
231943 - 230943 = _____ x 1000
1000 ÷ 1000 = 1
(d)
231943 = _____ x 100 + 231043
231943 - 231043 = _____ x 100
900 ÷ 100 = 9
Answer(s): 2, 3, 1, 9