Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 921 + 8 = ______
- 21 + 30 = _____
- 432 + 223 = _____
- 3875 + 912 = _____
(a)
921 + 8 = 929
(b)
21 + 30 = 51
(c)
432 + 223 = 655
(d)
3875 + 912 = 4787
Answer(s): 929, 51, 655, 4787