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| Para Lelli Pipe Ed (Pairs of Players) Materials Needed: • scissors • tape • timer •  Master 8 Centimetre Grid Paper
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Note: A parallelepiped is a six-sided figure with opposite sides parallel. A box is a parallelepiped with right-angled corners. 1. Print a copy of Master 8 Centimetre Grid Paper for each player. 2. Pairs of players choose a value for the surface area of a box that can be made using the grid paper, and tell their partner. 3. Start the timer. Working at the same time, the players have 5 min to • draw, cut out, and fold a box with the surface area chosen by their partner • prove that it is not possible to create a box with that surface area using the grid paper 4. At the end of 5 min, or earlier if both players agree, check the results. A player is awarded 1 point for a box that has been made correctly or for a valid argument that explains why it is not possible to make the box. 5. Play continues for as many rounds as players wish. The winner is the player with the highest score at the end of the game. |