In blackjack, the face cards (2 through 10) are worth different amounts. When you’re playing with a dealer, you want to keep these values in mind in order to make the best possible decision.
For example, if you have a 2 and a 5 in your hand, the 2 is worth 1 point and the 5 is worth 2 points. If you were to split these face cards, you would essentially be giving yourself a 3 and a 6.
This can be a great decision if the dealer has a high total (i.e., if they’re showing an Ace or 10).
However, if the dealer has a low total (i.e., if they’re showing a 2 or 9), then splitting the face cards might not be the best option.
This is because it would give you two lower-valued cards (a 3 and a 7) rather than one higher-valued card (a 6).