Find the following values without a calculator. Which is greatest?
Give your answers in this manner. (Eg 1, 2, 3)
- 978, 879 or 789
- 7344, 7343 or 7443
- 9213, 9312 or 9123
(a)
(smallest) 789, 879, 978 (greatest)
(b)
(smallest) 7343, 7344, 7443 (greatest)
(c)
(smallest) 9123, 9213, 9312 (greatest)
Answer(s): 978, 7443, 9312