Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 823 + 3 = ______
- 29 + 30 = _____
- 538 + 221 = _____
- 1971 + 111 = _____
(a)
823 + 3 = 826
(b)
29 + 30 = 59
(c)
538 + 221 = 759
(d)
1971 + 111 = 2082
Answer(s): 826, 59, 759, 2082