How to quickly multiply by 25. This is a fun math trick that anyone can learn in 5 minutes or less.
Tag Archives: Multiply by 25
Here’s a great way to help students get two for the price of one. First, they make connections between multiplication and a topic very dear to their hearts: money. That’s because the trick is for multiplying by 25, and in using this trick, you use the fact that four quarters make a dollar. Secondly, students […]