Find the following values without a calculator. Arrange the numbers from the smallest to the biggest.
- 21, 32, 13
- 678, 768, 867
- 665, 566, 565
(a)
(smallest) 13, 21, 32 (greatest)
(b)
(smallest) 678, 768, 867 (greatest)
(c)
(smallest) 565, 566, 665 (greatest)
Answer(s): (a) 13, 21, 32; (b) 678, 768, 867; (c) 565, 566, 665