Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3727 = 3000 + _______ + 20
- 4364 = 300 + _______ + 60
- 90 - 7 x 4 = _______
- 40 + 10 ÷ 5 = _______
(a)
3727 = 3000 + _______ + 20
3000 + 20 = 3020
3727 - 3020 = 707
(b)
4364 = 300 + _____ + 60
300 + 60 = 360
4364 - 360 = 4004
(c)
90 - 7 x 4
= 90 - 28
= 62
(d)
40 + 10 ÷ 5
= 40 + 2
= 42
Answer(s): 707, 4004, 62, 42