Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 820 + 1 = ______
- 29 + 30 = _____
- 534 + 320 = _____
- 1474 + 313 = _____
(a)
820 + 1 = 821
(b)
29 + 30 = 59
(c)
534 + 320 = 854
(d)
1474 + 313 = 1787
Answer(s): 821, 59, 854, 1787