David Widener

The 21 Card Trick is a ubiquitous card trick seen by millions of people each year. How is it done? Very few people actually know the math and the process behind the trick. Here in this lesson you can perform the trick by handing out a step by step illustration. Students will love this change in math class predictability. After the trick has been performed take a deeper dive into the "why does this trick work every time?" There is a great handout that will be a lesson in patterns and predictabili

These journal writing exercises provide students with the opportunity to engage deeper with US history lessons, gaining new insights, knowledge and perspective in the lives of ordinary individuals in US history. These assignments can be a yearlong approach to improving writing skills, historical knowledge and insight into life for those who lived in the past. One process is students writing about a specific historical figure or creating a fictional character and writing a journal entry from th