Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 0.8 - 0.4 = ______
- 0.9 - 0.1 = ______
- 2.1 - 1.3 = ______
- 2.2 - 1.8 = ______
(a)
0.8 - 0.4 = 0.4
(b)
0.9 - 0.1 = 0.8
(c)
2.1 - 1.3 = 0.8
(d)
2.2 - 1.8 = 0.4
Answer(s): 0.4, 0.8, 0.8, 0.4