Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 + 18 = _____
- 2 + 20 = _____
- 12 + 40 = _____
- 44 + 24 = _____
(a)
5 + 18 = 23
(b)
2 + 20 = 22
(c)
12 + 40 = 52
(d)
44 + 24 = 68
Answer(s): 23, 22, 52, 68