Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1000 + 10 = _____
- 1000 + 20 = _____
- 1000 + 645 = _____
- 1000 + 3963 = _____
(a)
1000 + 10 = 1010
(b)
1000 + 20 = 1020
(c)
1000 + 645 = 1645
(d)
1000 + 3963 = 4963
Answer(s): 1010, 1020, 1645, 4963