Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8432 = 8000 + _______ + 30
- 6864 = 800 + _______ + 60
- 40 - 2 x 4 = _______
- 30 + 18 ÷ 3 = _______
(a)
8432 = 8000 + _______ + 30
8000 + 30 = 8030
8432 - 8030 = 402
(b)
6864 = 800 + _____ + 60
800 + 60 = 860
6864 - 860 = 6004
(c)
40 - 2 x 4
= 40 - 8
= 32
(d)
30 + 18 ÷ 3
= 30 + 6
= 36
Answer(s): 402, 6004, 32, 36