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| Flip and Roll (Pairs of Players) Materials Needed: • two dice of different colours • one coin • timer 1. Player 1 rolls the dice and flips the coin. Heads represents an addition sign and tails represents a subtraction sign. 2. Player 1 starts the timer. Player 2 constructs a linear equation using the operation sign from the coin flip and the number values of the rolled dice. • The equation is x  Player 2 solves for the variable. Example: x + 6 = 4 x = –2 3. If the solution is correct, Player 2 receives 60 – t points, where t is the time taken to solve the problem, in seconds. If it takes more than 60 s to solve the problem, award a score of zero, even if the solution is correct. 4. Play continues with players switching roles. 5. The game continues for as many rounds as the players wish. The winner is the player with the highest score at the end of the game. |