Poker is a card game in which players bet money (representing chips) into the pot. Each player places in the pot the amount they feel is appropriate for the hand they are holding. While much of the game involves chance, long-term expectations are determined by player decisions made on the basis of probability, psychology, and game theory.
Players must always weigh risk versus reward when making bets. Often times the safest bet is to stay in with your high value hands. But, sometimes a little bit of risk can yield a large reward, and you should not be afraid to make that bet.
When you see a certain type of cards on the board it is important to try to guess what other people are holding. This is especially true when there are a lot of people that have the same type of hand in front of you. For example, if the flop is A-2-6 and someone makes a large bet you can probably assume that they have a pair of 2s.
When you are dealt a hand, and it is your turn to place bets, you can say “call” to put up the same amount as the person before you or raise them if you think you have a good hand. You can also say “fold” if you are no longer interested in the hand. This will get you out of the hand with your original 2 cards and you can try to improve your next hand.