Blackjack is one of the most popular casino games. Its appeal lies in the simple rules and a low house edge, which can be brought down to under 2% by following a defined strategy. However, many players do not understand the role that mathematics plays in this game and make decisions based on emotions or hunches. This can lead to bad decisions and losing money. Using mathematics, on the other hand, will help you maximize your profits and win more hands. Before you play blackjack, learn the basic terms and rules. These will give you a solid foundation of the game, from the point value for each card and hand to when you should hit, stand, double or split your cards based on the dealer’s upcard. You should also know the payouts for various combinations of cards, such as a blackjack or a pair of 10s. Another important factor to consider is the table’s rules regarding side bets. These are the additional wagers you can place alongside your main bet, and they can greatly affect your blackjack odds. Some of these bets are universally available on all blackjack tables, such as insurance, while others only appear at specific types of tables or in certain casinos. Some of these bets include betting on a dealer’s blackjack, betting on your hand making a poker hand with the dealer’s up-card, or placing a wager that the dealer will bust. Effective bankroll management is crucial for long-term blackjack success. Before you play, set a winning and losing limit and stick to them. This will prevent emotional gambling and financial strain. Also, it’s a good idea to play shorter blackjack sessions, as this will increase your chances of escaping a losing streak. A player’s success in blackjack can depend on their knowledge of how to read a blackjack chart. These charts tell players when to hit, stand, or double based on the dealer’s upcard and their own cards. Memorizing a blackjack chart will ensure that you always make the statistically best decision for each hand. You can use online blackjack trainers to practice your blackjack chart memorizing until it becomes second nature. If you want to learn how to count cards, start with a single deck and count every card that you draw and discard. Keep a running total and continue to practice until you can do this quickly and quietly while playing. Keeping a true count is even better, as it gives you more information about the game’s odds. The higher the true count, the more likely a counter will be to win, so it’s important to play when the count is high.