Equipment:
- calculator
- 20 counters (of keep a tally of points)
Instructions:
- Player 1 enters any number 0-20 on the calculator and hands the calculator to Player 2, and says “Make 15.”
- Player 2 looks at the display and thinks of a number that can be added or subtracted from the displayed number to make a total of fifteen.
- Player 2 presses + or -, the number to be added or subtracted, and =.
- If the answer is 15, Player 2 earns one counter. If the answer is not 15, Player 2 does not score.
- Players reverse roles.
- The first player to earn 10 counters wins the game.
Variation:
- Player take turns to “Make Eight,” “Make Twelve,” “Make Twenty,” etc.
