Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9258 = 9000 + _______ + 50
- 7177 = 100 + _______ + 70
- 30 - 4 x 7 = _______
- 80 + 12 ÷ 2 = _______
(a)
9258 = 9000 + _______ + 50
9000 + 50 = 9050
9258 - 9050 = 208
(b)
7177 = 100 + _____ + 70
100 + 70 = 170
7177 - 170 = 7007
(c)
30 - 4 x 7
= 30 - 28
= 2
(d)
80 + 12 ÷ 2
= 80 + 6
= 86
Answer(s): 208, 7007, 2, 86