Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 1.4 + 1.4 = ______
- 0.2 + 0.1 = ______
- 2.1 + 2.3 = ______
- 2.3 + 2.2 = ______
(a)
1.4 + 1.4 = 2.8
(b)
0.2 + 0.1 = 0.3
(c)
2.1 + 2.3 = 4.4
(d)
2.3 + 2.2 = 4.5
Answer(s): 2.8, 0.3, 4.4, 4.5