Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 421 + 3 = ______
- 21 + 33 = _____
- 538 + 421 = _____
- 1073 + 514 = _____
(a)
421 + 3 = 424
(b)
21 + 33 = 54
(c)
538 + 421 = 959
(d)
1073 + 514 = 1587
Answer(s): 424, 54, 959, 1587