Guides ยท Math
Mental Math Techniques
Compute faster in your head
Mental math breaks problems into simpler parts, uses estimation, and leverages patterns like complements and rounding.
- estimation
- rounding
- decomposition
- patterns
- checks
Break Problems
Split numbers into tens and ones or round then adjust.
Use Patterns
Apply complements to 10, doubling and halving, or distributive tricks.
Check Quickly
Estimate results to see if detailed math is reasonable.