You can use the "more than" sign to
indicate concepts like:
"Over that amount" "above that amount"
"exceeding" "above and beyond" "from that point
The base hand (non-dominant hand) doesn't move. The dominant hand starts on top of the
hand and moves upward.
Here is another version
of the same sign. It means pretty much the same thing. It is
just a bit more specific and formal.