Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 500 - 70 + 500 = _______
- 733 = 500 + _______ + 50
- 2362 = 2000 + _______ + 2
- 4628 = 4020 + _______
(a)
500 - 70 + 500
= 500 + 500 - 70
= 1000 - 70
= 930
(b)
733 = 500 + ______ + 50
733 = 500 + 50 + ______
733 = 550 + ______
733 - 550 = 183
(c)
2362 = 2000 + ______ + 2
2362 = 2000 + 2 + ______
2362 = 2002 + ______
2362 - 2002 = 360
(d)
4628 = 4020 + ______
4628 - 4020 = 608
Answer(s): 930, 183, 360, 608