Five-minute lessons
Study on the way or during a break: one lesson is one idea and a few exercises.
Logic & thinking
Logic & puzzles
Patterns, knights and knaves, Euler diagrams and probability: train your thinking with puzzles.
- Level: from scratch
- 8 lessons · 48 exercises
- ≈ 3 academic hours
- Lesson language: RU · UZ · EN
- Who it is for: kids aged 6–11, teenagers aged 12–17, adults 18+
What you will learn
PatternsReasoningProbability
The whole course is freeStart the course for free
Course programme
1Patterns and reasoningUnit 1 · 4 lessons
- 1Patterns
- 2True and false
- 3If… then…
- 4Sets and Euler diagrams
2Problems and strategiesUnit 2 · 4 lessons
- 5Counting options
- 6Probability
- 7Knights and knaves
- 8Solving strategies
- Final exam20 questions across the course. 80% earns a personal certificate with a number and QR code.
Why it is easy to learn here
Explanations for your age
Kids get a simple explanation, teens the point, adults the details and a “Deeper” section.
Mistakes come back
Exercises you got wrong return after one, three and seven days.
A certificate you can verify
After the exam you get a certificate with a number and QR code. An employer or school can check it on the site.
How a lesson works. A short explanation with an example, then 8–12 exercises: multiple choice, typing, pairs, ordering. Mistakes come back for review after one, three and seven days, so the knowledge sticks.
Frequently asked questions
Do I need any background to take the “Logic & puzzles” course?
No. The course starts from scratch and explains every step. If you already know something, take the unit test and skip ahead.
How long does the course take?
About 3 hours: 8 short lessons of around five minutes in 2 units. At 15 minutes a day you can finish in about 12 days.
Is the course free?
Yes, the whole course is free: lessons, exam and certificate. Ads are shown only to teens and adults on the free plan, never to kids.
Will I get a certificate?
Yes. After the final exam (20 questions, 80% to pass) you receive a personal certificate with a number and QR code. Anyone can verify it on the certificate check page.
Is the course suitable for kids, teens and adults?
Yes. The exercises are the same and the explanations differ: simple and short for kids aged 6–11, to the point for teens, detailed with a “Deeper” section for adults.
What language are the lessons in?
Lessons are available in: RU · UZ · EN. You can switch the language at any time in settings.
Start with the first lesson
Signing up takes a minute. The first lesson opens right away and we never ask for a card.
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