Blackjack Basics
What is a BlackJack?
A hand of two cards totaling 21 — an Ace and a 10-value card.
How many 10-value cards are there in a standard deck?
16
What is the probability formula used to calculate the chance of getting a Blackjack?
P(Ace)×P(10)+P(10)×P(Ace)
Who must hit on 16 and stand on 17?
The Dealer
How many cards are in a 6-deck shoe?
312
How many cards are in a standard deck?
52
What is the total number of face cards in a deck?
12
What is 4/52 x 16/51?
64/2652
Do players or dealers have more flexibility in decision-making?
Players
How many Aces are in a 6-deck shoe?
24
Name all the 10-value cards.
10, Jack, Queen, King
If a player draws a 10 first, what are the odds of drawing an Ace next?
4/51
Add 64/2562 + 64/2562
128/2562
What payout do players usually receive for a Blackjack?
3:2
How many ten-value cards in 6 decks?
96
How many Aces are in one deck?
4 Aces
What is the simplified form of 128/2652?
32/663
What’s the decimal and percent form of 32/663?
0.04827 or 4.83%
Why is knowing the probability of Blackjack helpful for a player?
It helps with decision-making and risk assessment.
What is the Blackjack probability in a 6-deck game (approx.)?
4.75%
What’s the main goal of the game of Blackjack?
To get as close to 21 as possible without going over, and beat the dealer’s hand.
How many total combinations are there of 2-card hands from one deck?
1326
Why do we multiply probabilities in this formula instead of adding them directly?
Because we're calculating dependent events — two specific cards drawn in order.
What is card counting used for?
Tracking high and low cards to estimate odds and gain advantage.
Why do casinos prefer using multiple decks?
It slightly reduces the player's odds and increases the house edge over time.