Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3, 0.4)
- 1.1 + 1.4 = ______
- 1.1 + 1.1 = ______
- 2.1 + 1.2 = ______
- 2.3 + 1.2 = ______
(a)
1.1 + 1.4 = 2.5
(b)
1.1 + 1.1 = 2.2
(c)
2.1 + 1.2 = 3.3
(d)
2.3 + 1.2 = 3.5
Answer(s): 2.5, 2.2, 3.3, 3.5