SUMMATION: Sum of X (How to Play Video Tutorial)

About SUMMATION: Sum of X, from BoardGameGeek:

SUMMATION: Sum of X Ready for a fast-paced, strategic math card game designed to elevate your family game night. Players cleverly shed cards by forming equations that dynamically adapt to the game state. Addition is the default operator (Auto SUM) between adjacent numbers, streamlining gameplay while demanding smart thinking. Race against 2 to 5 players to be the first to empty your hand and claim victory. It's where families play, learn and connect through engaging numerical challenges. -description from the designer