Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 220 + 3 = ______
- 25 + 31 = _____
- 132 + 427 = _____
- 1873 + 816 = _____
(a)
220 + 3 = 223
(b)
25 + 31 = 56
(c)
132 + 427 = 559
(d)
1873 + 816 = 2689
Answer(s): 223, 56, 559, 2689