Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 551312 = 500000 + _____ + 300 + 12
- 755983 = _____ + 50000 + 5000 + 900 + 80 + 3
- 551495 = 500000 + 50000 + _____ + 400 + 90 + 5
- 716471 = 700000 + 10000 + 6000 + _____ + 70 + 1
(a)
551312 = 500000 + _____ + 300 + 12
551312 = 500000 + _____ + 312
551312 - 500000 - 312 = 51000
(b)
755983 = _____ + 50000 + 5000 + 900 + 80 + 3
755983 = _____ + 55983
755983 - 55983 = 700000
(c)
551495 = 500000 + 50000 + _____ + 400 + 90 + 5
551495 = 550000 + _____ + 495
551495 - 550000 - 495 = 1000
(d)
716471 = 700000 + 10000 + 6000 + _____ + 70 + 1
716471 = 716000 + _____ + 71
716471 - 716000 - 71 = 400
Answer(s): 51000, 700000, 1000, 400