Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 0.1 + 0.9 = ______
- 1.1 + 0.2 = ______
- 1.4 + 2.8 = ______
- 2.2 + 2.5 = ______
(a)
0.1 + 0.9 = 1
(b)
1.1 + 0.2 = 1.3
(c)
1.4 + 2.8 = 4.2
(d)
2.2 + 2.5 = 4.7
Answer(s): 1, 1.3, 4.2, 4.7