Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 + 5 x 9 = _______
- 23 - 11 x 2 = _______
- (15 - 8) x 9 = _______
- (13 + 7) x (9 - 3) = _______
(a)
2 + 5 x 9
= 2 + 45
= 47
(b)
23 - 11 x 2
= 23 - 22
= 1
(c)
(15 - 8) x 9
= 7 x 9
= 63
(d)
(13 + 7) x (9 - 3)
= 20 x 6
= 120
Answer(s): 47, 1, 63, 120