Counting outs
An out is a card that turns your hand into a likely winner. Count them, and the pot odds math does the rest.
The numbers worth memorizing: flush draw 9 · open-ended straight 8 · gutshot 4 · two overcards 6 · pair→set 2 · two pair→full house 4. Drawing to both a flush and a straight? Add them, then subtract the overlap — never count a card twice.
Drill: count them
Your hand, the board, a target. How many cards get you there?