Rational Numbers Course
Gain mastery over rational numbers via practical applications in revenue, costs, profits, decimals, and percentages. Develop accurate fraction and decimal abilities, steer clear of frequent mistakes, and confirm each calculation step—perfect for those needing reliable business maths in daily operations.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course builds strong skills in managing fractions, decimals, and percentages for everyday business like revenue, costs, profits, and discounts. Learners gain confidence through precise fraction methods, decimal calculations, quick percentage changes, error avoidance, result checks, and clear step-by-step workings for solid decision-making.
Elevify advantages
Develop skills
- Handle revenue, costs, and profits using rational numbers with quick, precise business calculations.
- Achieve fluency in fractions and decimals: convert, simplify, and calculate accurately.
- Master percentages and discounts: apply, combine, and check real-life rates effectively.
- Use exact fraction processes: LCD, GCD, and mixed numbers for mistake-free outcomes.
- Apply error-checking methods: cross-check with decimals and produce clear, verifiable steps.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workloadWhat our students say
Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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