Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 x 20 = _____
- 90 x 8 = _____
- 10 x 10 = _____
- 71 x 10 = _____
(a)
7 x 20 = 140
(b)
90 x 8 = 720
(c)
10 x 10 = 100
(d)
71 x 10 = 710
Answer(s): 140, 720, 100, 710