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# Logic puzzles: making deductions and speculating
- URL: https://www.lessonpills.com/logic-deduction-einsteins-riddle/
- Published: 2026-06-30T01:20:24.000Z
- Updated: 2026-07-13T05:46:43.000Z
- Description: Logic puzzles — a C1 English lesson. Practise modal verbs of deduction and expand vocabulary around investigation and problem-solving.
- Author: Lessonpills
- Tags: B2, Psychology, Vocabulary, Video, Premium

## Summary

This 90-minute ESL lesson for **C1** learners explores **Logic puzzles: making deductions and speculating** through a real video. Across 9 interactive exercises, you'll develop listening comprehension, vocabulary, speaking skills — all built around authentic English content.

**What you'll practise:**

- **5 key vocabulary items** with definitions and usage notes
- Gap-fill and cloze exercises to test vocabulary in context
- Matching exercise to connect terms with their meanings

[![CTA Image](https://www.lessonpills.com/content/images/2026/07/icon128-2.png)](https://learn.lessonpills.com/logic-deduction-einsteins-riddle?ref=lessonpills.com) 

Ready to practise? This interactive lesson includes vocabulary, grammar, and comprehension exercises — all based on real English content. 

[Start the lesson ](https://learn.lessonpills.com/logic-deduction-einsteins-riddle?ref=lessonpills.com) 

## Lesson activities (9 exercises)

Each exercise builds on the previous one. Work through them in order for the best learning experience.

1. **Warm-up** — Discussion questions to activate what you already know about the topic.
2. **Watch** — Watch the video and note the main arguments and examples.
3. **Comprehension** — Answer questions to check your understanding of the main ideas and supporting details.
4. **Vocabulary** — Learn key words and expressions from the video, with definitions and usage notes.
5. **True / False** — Test your detailed understanding — decide if each statement matches the source.
6. **Fill the gaps** — Complete sentences with the correct vocabulary. Drag and drop or type your answers.
7. **Multiple choice** — Choose the correct answer from four options — testing comprehension and language use.
8. **Matching** — Connect words, phrases, or concepts to their correct counterparts.
9. **Discussion** — Reflect on the topic and share your opinions using the language you've learned.

## Vocabulary

This lesson introduces **5 key terms** drawn directly from the video:

- **To piece something together** — to gradually understand a situation or story by using all the small pieces of information you have.
- **A red herring** — a fact or idea that is intended to be misleading or distracting from the real issue.
- **To jump to conclusions** — to make a judgment or decision about something without having all the facts.
- **It stands to reason that...** — a phrase used to introduce a statement that is a logical conclusion from the known facts.
- **To follow a line of reasoning** — to understand the series of logical steps or arguments that lead to a particular conclusion.

## Grammar

This lesson includes a grammar focus with clear explanations and practice exercises.

[![CTA Image](https://www.lessonpills.com/content/images/2026/07/icon128-2.png)](https://learn.lessonpills.com/logic-deduction-einsteins-riddle?ref=lessonpills.com) 

Ready to practise? This interactive lesson includes vocabulary, grammar, and comprehension exercises — all based on real English content. 

[Start the lesson ](https://learn.lessonpills.com/logic-deduction-einsteins-riddle?ref=lessonpills.com)