Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 425517 = _____ x 100000 + 25517
- 425517 = _____ x 10000 + 405517
- 425517 = _____ x 1000 + 420517
- 425517 = _____ x 100 + 425017
(a)
425517 = _____ x 100000 + 25517
425517 - 25517 = _____ x 100000
400000 = _____ x 100000
400000 ÷ 100000 = 4
(b)
425517 = _____ x 10000 + 405517
425517 - 405517 = _____ x 10000
20000 = _____ x 10000
20000 ÷ 10000 = 2
(c)
425517 = _____ x 1000 + 420517
425517 - 420517 = _____ x 1000
5000 ÷ 1000 = 5
(d)
425517 = _____ x 100 + 425017
425517 - 425017 = _____ x 100
500 ÷ 100 = 5
Answer(s): 4, 2, 5, 5