Dividing by 25

Mental Math · Axiom Academy

A Mental Math Shortcut: Multiply by 4 and Divide by 100 1. The Foundation: Why This Works The key insight is recognizing that 25 is a special number: it's exactly one-quarter of 100. This relationship gives us a powerful shortcut. To divide any number by 25, follow these simple steps: Let's see this in action with an example: 325 ÷ 25 Let's apply this technique to more examples:

This is the written version of the interactive lesson above. See the full Mental Math course.