Find the following values without a calculator. Round off the following numbers to the nearest 10.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 24
- 243
- 828
- 3114
(a)
24 (=) 20
(b)
243 (=) 240
(c)
828 (=) 830
(d)
3114 (=) 3110
Answer(s): 20, 240, 830, 3110