Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 x 40 = _____
- 90 x 2 = _____
- 12 x 12 = _____
- 77 x 10 = _____
(a)
4 x 40 = 160
(b)
90 x 2 = 180
(c)
12 x 12 = 144
(d)
77 x 10 = 770
Answer(s): 160, 180, 144, 770