Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 x 40 = _____
- 80 x 8 = _____
- 12 x 12 = _____
- 21 x 10 = _____
(a)
8 x 40 = 320
(b)
80 x 8 = 640
(c)
12 x 12 = 144
(d)
21 x 10 = 210
Answer(s): 320, 640, 144, 210