Tutor Help: Percent Conversions
Stuck converting between forms? Recap the two moves, try the self-help fixes, or preview a tutor request.
Every conversion is one of two moves: slide the point two places (decimal ↔ percent) or divide / write-over-100-and-simplify (fraction ↔ the other two).
Direction matters: decimal → percent slides right (0.4 → 40%); percent → decimal slides left (75% → 0.75). If your percent is smaller than your decimal, you went the wrong way.
For a percent of a number, convert first, then multiply: 15% of 80 = 0.15 × 80 = 12. Benchmarks (50/25/10/1%) give you a mental-math check.
How to get unstuck in 5 minutes
- 1Re-read the lesson section that matches your problem.
- 2Work one practice problem with the hint turned on.
- 3Check your answer with the step-by-step tool.
- 4Still stuck? Use the demo request form below.
1 Quick self-help
Three fixes that solve most stuck moments.
Point sliding the wrong way?
Say it out loud: “percent means per hundred, so the percent number is bigger.” Decimal → percent always grows: 0.4 → 40%.
Fraction → percent stuck?
Divide first, ask questions later: 3 ÷ 8 = 0.375, then slide right two → 37.5%. The division is always step one.
Percent of a number exploding?
If you got 1200 for “15% of 80”, you multiplied by 15 instead of 0.15. The % sign must become ÷100 before any multiplication.
2 Common questions
Short answers to the questions tutors hear most.
3 Ask a tutor
Describe where you are stuck. A tutor reply workflow is coming soon.