123456789 10 11 12 13 14 15 16 17 18 19 20 A B C D E F Student 1 Student 2 Instructions Partner 1: Type a formula in cell B16 and press ENTER. Click the Start Guessing button. Partner 2: Look for patterns. Type possible rules in C16:F16. Sample Game IN OUT RULE 1 RULE 2 RULE 3 RULE 4 5 17 17 17 17 17 99 205 299 111 393 205 Your Game ####### IN OUT RULE 1 RULE 2 RULE 3 RULE 4 Code Crackers Math Game SCORE