Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 621 + 8 = ______
- 21 + 32 = _____
- 530 + 123 = _____
- 3075 + 712 = _____
(a)
621 + 8 = 629
(b)
21 + 32 = 53
(c)
530 + 123 = 653
(d)
3075 + 712 = 3787
Answer(s): 629, 53, 653, 3787