Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 + 21 ÷ 3 = _______
- 14 - 18 ÷ 6 = _______
- (18 + 15) ÷ 3 = _______
- (13 + 8) ÷ (3 - 6) = _______
(a)
8 + 21 ÷ 3
= 8 + 7
= 15
(b)
14 - 18 ÷ 6
= 14 - 3
= 11
(c)
(18 + 15) ÷ 3
= 33 ÷ 3
= 11
(d)
(13 + 8) ÷ (3 - 6)
= 21 ÷ -3
= -7
Answer(s): 15, 11, 11, -7