Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 x 80 = _____
- 40 x 3 = _____
- 11 x 11 = _____
- 28 x 10 = _____
(a)
8 x 80 = 640
(b)
40 x 3 = 120
(c)
11 x 11 = 121
(d)
28 x 10 = 280
Answer(s): 640, 120, 121, 280