Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 815817 = 800000 + _____ + 800 + 17
- 839482 = _____ + 30000 + 9000 + 400 + 80 + 2
- 649384 = 600000 + 40000 + _____ + 300 + 80 + 4
- 177737 = 100000 + 70000 + 7000 + _____ + 30 + 7
(a)
815817 = 800000 + _____ + 800 + 17
815817 = 800000 + _____ + 817
815817 - 800000 - 817 = 15000
(b)
839482 = _____ + 30000 + 9000 + 400 + 80 + 2
839482 = _____ + 39482
839482 - 39482 = 800000
(c)
649384 = 600000 + 40000 + _____ + 300 + 80 + 4
649384 = 640000 + _____ + 384
649384 - 640000 - 384 = 9000
(d)
177737 = 100000 + 70000 + 7000 + _____ + 30 + 7
177737 = 177000 + _____ + 37
177737 - 177000 - 37 = 700
Answer(s): 15000, 800000, 9000, 700