Blackjack: the math behind the cards 2 and Ace cards worth 1 or 11 points used at the player’s discretion. The objective of the game is receiving cards with a total. BlackJack Math Cross Numbers Tease your brain in this ambient logic game where you have to make the math match 21 as a result horizontal and vertically (because we're talking about blackjack, right?) Swap the cards, make the math, repeat. That's all you'll need in order to complete this game!

  1. Math Behind Blackjack
  2. Cool Math Blackjack

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Blackjack probabilities
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Think you know blackjack? Basic strategy? Card counting? Blackjack history and trivia? The following tests are designed to make you think about the game. All of the answers are available somewhere on the Blackjack Review Network website. Have some ideas or good questions? Submit them now for possible inclusion in our current or future tests or quizzes.

BLACKJACK QUIZ

Our first quiz covers things like – the object of the game, insurance, some history, basic strategy, payoffs, exposed hole blackjack, and surrender. 15 questions (or so)

BLACKJACK BASIC STRATEGY TEST

Our basic strategy test covers things like – how to play your hand with specific dealer up-cards, single versus double versus multi-deck games, standing, hitting, doubling, splitting, insurance, surrender and a couple of odd questions. 17 questions (or so)

Math

BLACKJACK CARD COUNTING TEST

Our first card counting test is rather generic and covers things like – the legality of it all, popularity of the various systems, rules, balanced versus unbalanced systems and the Illustrious 18. 15 questions (or so)

BLACKJACK CARD COUNTING PRACTICE

Check out the free Card Counting Coach online software on our GAMES page. There are three levels – Easy, Medium and Pro. Strive to complete the Pro level before attempting to count in a real casino.

What is the Hi-Lo running count above?

CLICK ANSWER

If this was the first deal out of a single-deck game, what is the true count?

Blackjack

CLICK ANSWER

+4.5 (approx)

Math Behind Blackjack

16 cards were played
So… 52-16 = 36 cards left*
* One of these cards is the burn card
So… 36 cards is about 2/3 deck.
Hi-Lo Running count is +3

So… +3 / (2/3) = (+3×3)/2 = +4.5

Cool Math Blackjack

1It really can’t be a single deck since you will notice “two” 2 of clubs