Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 925 + 3 = ______
- 21 + 31 = _____
- 238 + 420 = _____
- 2074 + 515 = _____
(a)
925 + 3 = 928
(b)
21 + 31 = 52
(c)
238 + 420 = 658
(d)
2074 + 515 = 2589
Answer(s): 928, 52, 658, 2589