Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 323 + 6 = ______
- 21 + 37 = _____
- 439 + 420 = _____
- 2070 + 115 = _____
(a)
323 + 6 = 329
(b)
21 + 37 = 58
(c)
439 + 420 = 859
(d)
2070 + 115 = 2185
Answer(s): 329, 58, 859, 2185