Mental Math
Speed matters. You'll practice multiplication tricks, fraction conversions, powers of 2, and percentage shortcuts. I give you a daily practice routine to hit interview benchmarks.
25 lessons
32 min
Lessons
1. Intro
2. Benchmark Targets
What speed you need
3m
3. Addition Shortcuts
Faster than you think possible
3m
4. Subtraction Shortcuts
Complement and adjust
3m
5. Quiz: Multiplication Tricks
Test your understanding
2m1 problems
6. Multiplication Tricks
The times-11 rule and more
4m
7. Division Techniques
Breaking down complex division
3m
8. Percentages and Fractions
Converting instantly
3m
9. Quiz: Powers of 2
Test your understanding
2m1 problems
10. Daily Practice Routine
Building lasting speed
3m
11. Squaring Numbers
12. Square Root Estimation
13. Quiz: Fraction Conversions
Test your understanding
2m1 problems
14. Fraction Conversions
15. Powers of 2
16. Compound Interest Shortcuts
17. Quiz: Compound Interest
Test your understanding
2m1 problems
18. Currency Conversion Tricks
19. Approximation Strategies
20. Speed Drills Format
21. Quiz: Speed Strategies
Test your understanding
2m1 problems