This year, the Chicago Bears have created a schedule-predicting contest with the prize being two tickets to all 16 home and away games. Plus air fare and lodging for the road games Plus $500 per road game in walking-around money…
Act One: Check out the video slide show. What questions do you have? The Activity: Stacking Jack Suggested Question: How many different ways can I stack Jack? That is, how many different color arrangements are there? If I wanted to take…
Your students have probably seen these images around and might not know why they are becoming popular for smart phone scanning … and possibly dangerous. Students figure out the number of permutations of symbols that are possible with these 2-d…