Lessons

Hello,

Hello My Dear Learner!

It’s great to see you here, on The Blue Tree. It means that you – like me – enjoy learning about the world, people and ideas.

There’re hundreds of lessons waiting for you to explore. Use the simple or interactive search tools to find something interesting. You can also browse through the catalogue of lessons below.

Please remember that I am here to help you. If you need any help or if you find a bug or mistake, let me know at hi@thebluetree.pl

LATEST LESSONS

Check out the latest lessons added to The Blue Tree.

Managing up

How can an employee manage their bosses? They need to learn how to manage up. That’s what this lesson is about.

Energy Enhancing Method – Morning Curiosity

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Business Phrasal Verbs – part 2

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SIMPLE SEARCH

Type in a word or level (ex. CEF B2) to search the catalogue of lessons.

Interactive Search

Use the interactive search for a more specific query. You can search the catalogue of lessons by title, category, tags and level.

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wdt_ID	TITLE	CATEGORY	TAGS	LEVEL
1	Why we sleep	Health and fitness	CEF C1 \| health \| lifestyle \| sleep	C1
2	6 Elevator Speeches by Daniel Pink	Better communicator	CEF B1 \| Daniel Pink \| elevator pitch \| persuasion \| presenting	B1
3	Business Social English Test - part 1	Tests and Quizzes	business English \| CEF A2 \| everyday English \| social English \| test	A2
4	David Bowie	Wise Quotes	artists \| CEF B2 \| David Bowie \| development \| life	B2
5	Should You Learn British or American English?	Culture	American English \| British English \| CEF B1 \| dialects \| different accents \| how to learn	B1
	TITLE	CATEGORY	TAGS	LEVEL

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MY ENGLISH DICTIONARY

Add new and interesting words from this lesson to your English dictionary.

Store your words and expressions in this handy dictionary. You can create groups and play games based on your entries. There is also a practical importing feature.

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Chronological Catalogue of Lessons

Look through the chronological catalogue of all the lessons on The Blue Tree.

Managing up

How can an employee manage their bosses? They need to learn how to manage up. That’s what this lesson is about.

Energy Enhancing Method – Morning Curiosity

This lesson talks about a very interesting method of enhancing our energy levels in the morning: Morning Curiosity Method.

Business Phrasal Verbs – part 2

Check your phrasal verbs in some business context.

Black Box Thinking

Mistakes can be our greatest teachers – if we learn from them. Black Box Thinking shows how embracing failure leads to real progress. Are you making the most of your mistakes?

So you want to be an architect – part 1

Learn what it means to be an architect from Doug Patt. Did you know that an architect is also an inventor?

Leverage Points – How to get unstuck in work and life – Dan Heath

Learn six ways you can fix what is not working well according to Dan Heath, the author or Reset: How to Change What’s Not Working.

Idioms with brain and mind and left-right brain dominance

This lesson teaches some cool idioms with brain and mind and explores the topic of left-right brain dominance.

Testujemy Metody – Comparative and superlative adjectives

SPECIAL LESSON – Test six ways of learning grammar. Become an expert at creating and using comparative and superlative adjectives.

Why we work so much

Why do we work so much? What can history of work ethic teach us about the reasons for our busy working lives?

Talking Picture – Goals

Let’s talk about goals. Answer some questions about setting goals and study a few model answers.

Why we can’t focus

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How Social Media Keeps You Poor

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Five Ways to Supercharge Your Career

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Idioms and metaphors – Happiness is Yellow

How to talk about happiness in English? Actually, you will be surprised how many idioms and metaphors there are to talk about being happy in English.

Try something new for 30 days by Matt Cutts

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Idioms and metaphors – organization is growth and plants

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Personal Brand: Four Principles of Distinction by William Arruda

Learn four principles of managing your personal brand from the pioneer of the topic: William Arruda.

Time Traveler’s Dilemma

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TALKING PICTURE – Party

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Girls Auto Clinic

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Ricardo Semler of Semco

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Be water my friend by Shannon Lee

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The Long Game by Darie Clark

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Grit by Angela Duckworth

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General English Grammar – Diagnostic Test

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How to express contrast – advanced level

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Idioms with parts of the body

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A Tale of Two Lives – story-based vocabulary test

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General Vocabulary Test – diagnostic test

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5 Ways People Are Dumb With Money

This lesson is about how people make predictable financial mistakes. It discusses five common financial mistakes: the endowment effect, the sunk cost fallacy, transaction utility, mental accounting, and the tendency to spend unexpected income on frivolous things.