Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 10 + 1 = _____
- 20 + 6 = _____
- 10 + 20 = _____
- 30 + 37 = _____
(a)
10 + 1 = 11
(b)
20 + 6 = 26
(c)
10 + 20 = 30
(d)
30 + 37 = 67
Answer(s): 11, 26, 30, 67