Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 + 11 = _____
- 3 + 15 = _____
- 37 + 43 = _____
- 64 + 22 = _____
(a)
2 + 11 = 13
(b)
3 + 15 = 18
(c)
37 + 43 = 80
(d)
64 + 22 = 86
Answer(s): 13, 18, 80, 86