Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 40 x 40 = _____
- 4 x 15 = _____
- 4 x 12 = _____
- 6 x 9 = _____
(a)
40 x 40 = 1600
(b)
4 x 15 = 60
(c)
4 x 12 = 48
(d)
6 x 9 = 54
Answer(s): 1600, 60, 48, 54