Ten is the double of five.
The double of five is ten.
- HuevosLv 69 年前最佳解答
"The double of five is ten" is more fluent to that of the original sentence. So, yes, you can alter the order of words.
'the' can be eliminated, but that is up to you.
2010-12-15 22:06:39 補充：
double of five is ten is not a sentence; so, you'll have to add 'the' to make it into a sentence.