Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 416714 = 400000 + _____ + 700 + 14
- 685497 = _____ + 80000 + 5000 + 400 + 90 + 7
- 125934 = 100000 + 20000 + _____ + 900 + 30 + 4
- 579372 = 500000 + 70000 + 9000 + _____ + 70 + 2
(a)
416714 = 400000 + _____ + 700 + 14
416714 = 400000 + _____ + 714
416714 - 400000 - 714 = 16000
(b)
685497 = _____ + 80000 + 5000 + 400 + 90 + 7
685497 = _____ + 85497
685497 - 85497 = 600000
(c)
125934 = 100000 + 20000 + _____ + 900 + 30 + 4
125934 = 120000 + _____ + 934
125934 - 120000 - 934 = 5000
(d)
579372 = 500000 + 70000 + 9000 + _____ + 70 + 2
579372 = 579000 + _____ + 72
579372 - 579000 - 72 = 300
Answer(s): 16000, 600000, 5000, 300