Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 + 12 = _____
- 7 + 31 = _____
- 19 + 35 = _____
- 37 + 27 = _____
(a)
8 + 12 = 20
(b)
7 + 31 = 38
(c)
19 + 35 = 54
(d)
37 + 27 = 64
Answer(s): 20, 38, 54, 64