Activity

The Math Forum: Beat the Calculator!

Curated by ACT

Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for extra credit.

3 Views 4 Downloads
Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)