Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 + 19 = _____
- 4 + 38 = _____
- 30 + 47 = _____
- 68 + 18 = _____
(a)
5 + 19 = 24
(b)
4 + 38 = 42
(c)
30 + 47 = 77
(d)
68 + 18 = 86
Answer(s): 24, 42, 77, 86