Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 750637 = 700000 + _____ + 600 + 37
- 523817 = _____ + 20000 + 3000 + 800 + 10 + 7
- 136444 = 100000 + 30000 + _____ + 400 + 40 + 4
- 158228 = 100000 + 50000 + 8000 + _____ + 20 + 8
(a)
750637 = 700000 + _____ + 600 + 37
750637 = 700000 + _____ + 637
750637 - 700000 - 637 = 50000
(b)
523817 = _____ + 20000 + 3000 + 800 + 10 + 7
523817 = _____ + 23817
523817 - 23817 = 500000
(c)
136444 = 100000 + 30000 + _____ + 400 + 40 + 4
136444 = 130000 + _____ + 444
136444 - 130000 - 444 = 6000
(d)
158228 = 100000 + 50000 + 8000 + _____ + 20 + 8
158228 = 158000 + _____ + 28
158228 - 158000 - 28 = 200
Answer(s): 50000, 500000, 6000, 200