Designate one of the teams as 'plus' and the other as 'minus'. The leader calls two numbers such as 'Six and two'. The player in the plus team to run for the kerchief would be number 8 (6+2). In the minus team it would be number 4 (6-2).
Handkerchief
2 teams
Make sure to explain rules clearly before starting. Divide players into equal teams for fair competition.