Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 + 11 = _____
- 2 + 30 = _____
- 16 + 48 = _____
- 69 + 17 = _____
(a)
4 + 11 = 15
(b)
2 + 30 = 32
(c)
16 + 48 = 64
(d)
69 + 17 = 86
Answer(s): 15, 32, 64, 86