Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8443 = 8000 + _______ + 40
- 7889 = 800 + _______ + 80
- 60 - 6 x 2 = _______
- 70 + 11 ÷ 11 = _______
(a)
8443 = 8000 + _______ + 40
8000 + 40 = 8040
8443 - 8040 = 403
(b)
7889 = 800 + _____ + 80
800 + 80 = 880
7889 - 880 = 7009
(c)
60 - 6 x 2
= 60 - 12
= 48
(d)
70 + 11 ÷ 11
= 70 + 1
= 71
Answer(s): 403, 7009, 48, 71