Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4577 = 4000 + _______ + 70
- 3549 = 500 + _______ + 40
- 70 - 4 x 2 = _______
- 60 + 16 ÷ 16 = _______
(a)
4577 = 4000 + _______ + 70
4000 + 70 = 4070
4577 - 4070 = 507
(b)
3549 = 500 + _____ + 40
500 + 40 = 540
3549 - 540 = 3009
(c)
70 - 4 x 2
= 70 - 8
= 62
(d)
60 + 16 ÷ 16
= 60 + 1
= 61
Answer(s): 507, 3009, 62, 61