Curated OER
Calculator Trick 5
Try out the 421 Loop calculator trick. Your class will be amazed as they divide any even number by two and any odd number by three. As they repeat the process the answers results in a 421 loop. Super fun, super easy, and a great way to...
Curated OER
Math Number Trick
In this number trick worksheet, students follow a set of instructions to complete a "number trick" puzzle. Page has links to answer and additional resources.