This game requires two or more players. Each player picks a colour that they will their lines in. If the first player gets the question correct, they a line in their colour from any dot to a vertically or horizontally adjacent dot. If the next player gets the answers the question correct, they do the same, and the players continue to take turns lines in this way. If they get the question wrong, they miss out on a line until their next turn. The object of the game is to form a square by joining four dots. When a player a line that closes a square, they write their initials inside the square and gets a bonus turn. When all possible lines have been drawn, the player with the most initialed squares is the winner.
This game can be used in any lesson. An example could be spelling. One student has to correctly spell one of their words. If they get it right they can draw a vertical or horizontal line. If they get it wrong, they miss out. You could use this while practising times tables. If they get the question right, they can draw a line. If they get it wrong, they miss out.