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Exercise hundreds, thousands and millions

Practice writing complex numbers

Exercise outline

  1. Back to lesson
  2. Exercise cardinal numbers from 1 - 20
  3. Exercise numbers from 20 to 100
  4. Exercise hundreds, thousands and millions
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What our students say

Unlike in other platforms, all our teachers are manually verified by our professional team. Trust in the experiences of our students.

4.96/5

Hello,
My name is Tiska. I am a French Teacher with experiences with adults and teenagers in Public Education (USA) and Language Schools. I am holding a Master Degree in FLE (Teaching French as a Foreign Language).

Join a small group of learners of 2 or 3 for conversation lessons with me. An article or video to watch before the lesson and a conversation with personalized corrections during the lesson. This option saves you at least 10 euros per lesson on Colanguage.
Group opening:
Monday and/or Wednesday from 17:30 to 18:30 (French time).
Level: intermediate (B1)

Also, standard French lessons
- level A2 (low intermediate)
- 2 hours a week
- ask for schedule

Don’t know your level? Ask for a free level test.

I give Skype lessons to people who need or want to improve their French language. I like to use material from the internet (videos, article etc.) to introduce a theme which leads to a lesson and a conversation.
 I like to create engaging learning with my students.  I will give as homework a document to watch or to read with comprehension exercises so the time we have on skype is only speaking practice and explanation if needed.
I can help you prepare DELF-DALF Exams or work on specific needs (as professional French).
Really like to speak about all the subjects with the student especially those the student like so it gives the motivation to speak in the foreign language.
The free first lesson is organize to know your tastes, your level and your needs so we can plan the next lessons about the objectives you fixed.
 
 

Reviews

Teaching methodology

4.95/5

Communication

4.95/5

Punctuality

4.95/5

Internet connection

4.95/5

Learning materials

4.95/5
4.95/5

TISKA is a very prepared, kind and helpful teacher. i love studying with her because she makes the lesson to be intereesant and nice. she understands my needs and gives me the right homework.

Translated by Google Translate

Tiska G. Tiska G. FR

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello,
My name is Tiska. I am a French Teacher with experiences with adults and teenagers in Public Education (USA) and Language Schools. I am holding a Master Degree in FLE (Teaching French as a Foreign Language).

Join a small group of learners of 2 or 3 for conversation lessons with me. An article or video to watch before the lesson and a conversation with personalized corrections during the lesson. This option saves you at least 10 euros per lesson on Colanguage.
Group opening:
Monday and/or Wednesday from 17:30 to 18:30 (French time).
Level: intermediate (B1)

Also, standard French lessons
- level A2 (low intermediate)
- 2 hours a week
- ask for schedule

Don’t know your level? Ask for a free level test.

I give Skype lessons to people who need or want to improve their French language. I like to use material from the internet (videos, article etc.) to introduce a theme which leads to a lesson and a conversation.
 I like to create engaging learning with my students.  I will give as homework a document to watch or to read with comprehension exercises so the time we have on skype is only speaking practice and explanation if needed.
I can help you prepare DELF-DALF Exams or work on specific needs (as professional French).
Really like to speak about all the subjects with the student especially those the student like so it gives the motivation to speak in the foreign language.
The free first lesson is organize to know your tastes, your level and your needs so we can plan the next lessons about the objectives you fixed.
 
 

Reviews

Teaching methodology

4.95/5

Communication

4.95/5

Punctuality

4.95/5

Internet connection

4.95/5

Learning materials

4.95/5
4.95/5

Tiska is giving a great support to my 8 years daughter in this challenging period! We scheduled regularly lessons to improve her French language skill and to review grammars rules in a funny enjoyfull way. Super professional and very kind teacher!

Tiska G. Tiska G.

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hi! My name is Tiphaine, I'm french, I'm 37 years old and I live in Seville.
I grew up in the outside of Paris, I travelled all over the world and I live in Spain for 10 years now.
I'm a musician, a dancer and I love to cook and hike.
I'm a french teacher, and it's my passion! I speak 3 languages, and thanks to my learning I was able to live amazing experiences in many countries.
That's why I became a teacher, to be able to share with you my love for french language and culture and to guide you in your progress.
For me, each language is a way of seeing and interpreting the world, as glasses of different colors.
Understanding the way a language works is understanding how its people see things; it's such a exciting process, I can't wait to share it with you!
I have more than 8 years experience, in schools, companies and universities.
I work with people from all ages, beginners to advanced. I know most of french manuals.
I can prepare you to DELF and DALF exams. I also have a specialization in french for specific goals and french business.
I can offer you thematic courses, to improve your pronunciation, increase your vocabulary, prepare you for traveling or for a new job.
All my classes are in french, I adapt my vocabulary and speech speed according to your level.
I also adapt my method to your needs, personality, to take the best advantage of my classes and your french learning.
I use diversified ressources, from quizz to podcasts, videos, songs and games.
Whatever are your motivations, if you want to learn french in a pleasurable and rewarding way, book a class with me!

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

4.75/5
4.95/5

The strategy of Tiphaine is simple but very effective. She assess each students by understanding their needs and goals first. What I enjoy most is I get to speak french with her more than I did in my other french classes. She also give life advices on the side. :)

Tiphaine R. Tiphaine R. FR

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello!

My name is Ivan. I am a Russian tutor with 16 years of teaching experience. The levels I teach are A1~B2. Individual learners and groups are welcomed!

Our main focus will be on speaking. At each lesson we will work on pronunciation, learn to ask questions and give detailed answers, playing out various role-plays. After every lesson, you will be assigned written and/or audio homework. You will get detailed feedback on every unclear point.

In my lessons, I use e-textbooks (not included in lessons’ price), and my materials (included in lessons’ price).

I won't promise that you will speak Russian in 5 lessons or 1 week, but I promise that you will practice a lot and there will be no unclear points left behind.

Don’t be afraid to take the first step!

Remember: “The devil is not so black as he is painted”!

See you soon in our first lesson!

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

The professor's preparation is impeccable. Perfect to go from basic to advanced level. He organizes the lessons with PDFs and documents customized by him according to the student. Friendly and experienced, perfect for all ages.

This review was written by a coLanguage team member during a manual screening of this teacher profile.

Ivan O. Ivan O. RU

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello everyone. My name is Will Alberts, 52 years old, and I live in Roermond, a beautiful city in the south of Limburg (Netherlands) and I am a first-degree qualified teacher of English.
I have been teaching English at all levels to 12-18 year olds for 15 years. I've always enjoyed doing that, even during Covid-19, when we were forced to teach online. I have experience with Zoom, Teams and Skype. I liked online teaching so much that I would like to do this part-time, in addition to giving physical tutoring to my students at home.
I think it is very important that the student also decides what a lesson should look like.
If you are partly in control as a student, you are more motivated!
I have worked with many (digital) methods, but I also make my own lessons.
I am flexible in terms of time, so you decide when you want to have your lessons.
Hope to see you soon!

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Will started his career as a teacher in the Czech Republic at the age of 27. He worked in Prague for an American school for 4 years and then returned to the Netherlands to teach in different schools for different levels. Specialized in teaching for many years, in him, you will find a well-prepared, expert, friendly and inspiring teacher with a creative and simple teaching method.

This review was written by a coLanguage team member during a manual screening of this teacher profile.

Will A. Will A. NL

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello,
My name is Tiska. I am a French Teacher with experiences with adults and teenagers in Public Education (USA) and Language Schools. I am holding a Master Degree in FLE (Teaching French as a Foreign Language).

Join a small group of learners of 2 or 3 for conversation lessons with me. An article or video to watch before the lesson and a conversation with personalized corrections during the lesson. This option saves you at least 10 euros per lesson on Colanguage.
Group opening:
Monday and/or Wednesday from 17:30 to 18:30 (French time).
Level: intermediate (B1)

Also, standard French lessons
- level A2 (low intermediate)
- 2 hours a week
- ask for schedule

Don’t know your level? Ask for a free level test.

I give Skype lessons to people who need or want to improve their French language. I like to use material from the internet (videos, article etc.) to introduce a theme which leads to a lesson and a conversation.
 I like to create engaging learning with my students.  I will give as homework a document to watch or to read with comprehension exercises so the time we have on skype is only speaking practice and explanation if needed.
I can help you prepare DELF-DALF Exams or work on specific needs (as professional French).
Really like to speak about all the subjects with the student especially those the student like so it gives the motivation to speak in the foreign language.
The free first lesson is organize to know your tastes, your level and your needs so we can plan the next lessons about the objectives you fixed.
 
 

Reviews

Teaching methodology

4.95/5

Communication

4.95/5

Punctuality

4.95/5

Internet connection

4.95/5

Learning materials

4.95/5
4.95/5

Tiska has patience and is a very friendly and nice teacher. She always has a structure for each lesson and certainly accommodates when there is something specific I’d like to focus on. I definitely recommend her.

Tiska G. Tiska G. FR

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

My name is Curtis Davies, I'm a native English speaker and professional language coach from Canada. I'm also the host of "The Real English Conversations Podcast". I’ve helped thousands of students improve their English skills since 2013, specifically with confidence, speaking fluency, and pronunciation to feel 100% comfortable communicating in English in any situation.

You can be sure that our lessons will be focused on the areas that you are most concerned about improving as we discuss interesting topics that you will enjoy talking about. Together, we can create a customized study plan that surely will help you reach your goals and finally feel good about your English communication.

I'm A personal trainer for English communication in Real-World situations. My lessons focus on helping you to improve your speaking fluency, pronunciation, confidence and to be prepared for everyday social interactions, casual conversations, communicating better in English at work, and even preparing you for an important interview or presentation.

What To Expect: Professional Help NOT just Conversation Practice

I'm a specialist that cares about YOU achieving your goals I will evaluate you first, then we work together as a team to create a FUN learning strategy or plan so 100% of your classes are exciting BUT focused on where you need the most practice and attention

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Curtis is a Canadian teacher with years of experience in teaching English. He is a real motivator and with him, you will improve lesson by lesson and reach your goals. His teaching techniques and strategies are based on his years of coaching and experience. If you want an English motivator, Curtis is the ideal teacher for you.

This review was written by a coLanguage team member during a manual screening of this teacher profile.

Curtis D. Curtis D. CA

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Bonjour! Veux-tu apprendre français? ou l'améliorer?
My classes are structured according to my students' needs, I use different teaching methods and I rely on listening each of my students' expectations and goals. Dynamism and constant learning are my purposes in my classes.

I have worked as a French teacher for more than ten years.
I have academic studies in English and French from Montréal, Canada, where I lived for several years. I have a Bachelor in Teaching French as a foreign language from the Université de Bourgogne.

À bientôt!

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Very modern. At the same time, we process texts via a file. The lessons were adapted to my needs and are very effective and recommendable!

Translated by Google Translate

Natalia  L. Natalia L.

We worked with Lida to perfect her French. She is at a very advanced level and we study specific vocabulary for her work. She is a very dedicated student and I see her speaking French better and better. Lida, keep up the good work!

Translated by Google Translate

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

I want to help people to improve the level of their chosen language.

Reviews

Teaching methodology

4.97/5

Communication

4.93/5

Punctuality

5/5

Internet connection

4.9/5

Learning materials

4.93/5
4.95/5

I can’t recommend Nancy highly enough. She’s a great teacher. Very patient, flexible and personable.

Nancy C. Nancy C.

thanks for this Anne-Sophie. It is great to have you as a student.

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

My name is Ma. Teresa Tabasa Garcia. I was born and raised in the Philippines. I am a Native Tagalog Speaker and English is my second language. I graduated from Central Luzon State University with the degree of Bachelor of Science in Garment Technology and I took an additional units in Education and units in Graduate Studies at CORE Gateway College. I had been a College Instructor and Trainer in Cookery in one of the Colleges in our place.
As a teacher I am patient, friendly and flexible. I can teach students at all levels and all ages.
I use a combination of methods and tools in learning namely: conversation techniques, storytelling, reading text books, PDFs, audio and video recordings. You will learn the different sentence pattern, grammar, pronunciation and intonation, you may include your topic of interest as well. I use drills and exercises to track your learning progress. I will make sure that you will learn something new at the end of every lesson.

Reviews

Teaching methodology

4/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

4/5
4.6/5

Teresa is a delightful and bright teacher. She has previously worked as a teacher at the school board and as a teacher for young mothers. Her study method is based on the level of the students and the goals they want to achieve.

This review was written by a coLanguage team member during a manual screening of this teacher profile.

Ma.Teresa G. Ma.Teresa G. PH

Thank you sir Giacomo, thank you for the good feedback. You're such an awesome and kind interviewer. I am happy to work with you in coLanguage. God bless.

Review

Teaching methodology

4/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

4/5
4.6/5

I want to help people to improve the level of their chosen language.

Reviews

Teaching methodology

4.97/5

Communication

4.93/5

Punctuality

5/5

Internet connection

4.9/5

Learning materials

4.93/5
4.95/5

I couldn't imagine a better teacher than Nancy! Together with Nancy you find the right method for you to improve your French in a fun and personal way. I would recommend her to everyone!

Nancy C. Nancy C. BE

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello, my name is Claus !For many years I teach students from all over the world as a professional teacher of the German language. With a lot of experience and patience I lead my students to their to teach successfully and with fun. I offer you general language courses of B1- C2 with test preparations, as well as courses in Business German (prerequisites are language proficiency in German from level B1 +!).
 

Reviews

Teaching methodology

4.9/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

4.9/5
4.96/5

Thanks for your support. I learned a lot from you and my last German test went very well. I will be happy to contact you again if I need your help again. With kind regards

Translated by Google Translate

Claus B. Claus B. CH

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Bonjour! Veux-tu apprendre français? ou l'améliorer?
My classes are structured according to my students' needs, I use different teaching methods and I rely on listening each of my students' expectations and goals. Dynamism and constant learning are my purposes in my classes.

I have worked as a French teacher for more than ten years.
I have academic studies in English and French from Montréal, Canada, where I lived for several years. I have a Bachelor in Teaching French as a foreign language from the Université de Bourgogne.

À bientôt!

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Natalia is wonderful! I can't recommend her enough! She is thoughtful, considerate, patient, and flexible! I always look forward to her lessons and I have learned a lot in a short time. I can't wait to see how fluent I can become with her as my teacher!

Natalia  L. Natalia L. CA

Marissa is a very nice and motivated student. It is very pleasant to talk with her and to teach her. I hope to be able to accompany her throughout the whole process for the presentation of her exam, which she will undoubtedly pass with a good result.

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

I am a graduate of Bachelor of Secondary Education major in Social Science. I am a holder of a Professional License as Teacher. I have also teaching certificates like TESOL and TEYL. I have 2 years teaching experience as ESL Teacher. I can make our class fun and engaging. Come, let's learn English together.

Reviews

Teaching methodology

3/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

4/5
4.4/5

Ella is a delightful and brilliant teacher. She works as a part-time teacher and with the Philippine government. Her study method is based on the level of the students and the goals they want to achieve.

This review was written by a coLanguage team member during a manual screening of this teacher profile.

Lowella V. Lowella V. PH

Review

Teaching methodology

3/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

4/5
4.4/5

Training is my passion. I like interacting with people. I am passionate about reading, watching movies, and music. I love to explore new places and have keen interest in arts and literature.I love meeting new people because every person is a whole new world you can learn from. I am also a keen reader and an enthusiastic traveller.

Reviews

Teaching methodology

4.58/5

Communication

4.67/5

Punctuality

4.92/5

Internet connection

4.92/5

Learning materials

4.58/5
4.73/5

she have books and she knows how the delf / dalf works, she gives me some advises that i didn't find in youtube video

Hella K. Hella K.

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello,
My name is Tiska. I am a French Teacher with experiences with adults and teenagers in Public Education (USA) and Language Schools. I am holding a Master Degree in FLE (Teaching French as a Foreign Language).

Join a small group of learners of 2 or 3 for conversation lessons with me. An article or video to watch before the lesson and a conversation with personalized corrections during the lesson. This option saves you at least 10 euros per lesson on Colanguage.
Group opening:
Monday and/or Wednesday from 17:30 to 18:30 (French time).
Level: intermediate (B1)

Also, standard French lessons
- level A2 (low intermediate)
- 2 hours a week
- ask for schedule

Don’t know your level? Ask for a free level test.

I give Skype lessons to people who need or want to improve their French language. I like to use material from the internet (videos, article etc.) to introduce a theme which leads to a lesson and a conversation.
 I like to create engaging learning with my students.  I will give as homework a document to watch or to read with comprehension exercises so the time we have on skype is only speaking practice and explanation if needed.
I can help you prepare DELF-DALF Exams or work on specific needs (as professional French).
Really like to speak about all the subjects with the student especially those the student like so it gives the motivation to speak in the foreign language.
The free first lesson is organize to know your tastes, your level and your needs so we can plan the next lessons about the objectives you fixed.
 
 

Reviews

Teaching methodology

4.95/5

Communication

4.95/5

Punctuality

4.95/5

Internet connection

4.95/5

Learning materials

4.95/5
4.95/5

TISKA is a very prepared, kind and helpful teacher. i love studying with her because she makes the lesson to be intereesant and nice. she understands my needs and gives me the right homework.

Translated by Google Translate

Tiska G. Tiska G. FR

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello,
My name is Tiska. I am a French Teacher with experiences with adults and teenagers in Public Education (USA) and Language Schools. I am holding a Master Degree in FLE (Teaching French as a Foreign Language).

Join a small group of learners of 2 or 3 for conversation lessons with me. An article or video to watch before the lesson and a conversation with personalized corrections during the lesson. This option saves you at least 10 euros per lesson on Colanguage.
Group opening:
Monday and/or Wednesday from 17:30 to 18:30 (French time).
Level: intermediate (B1)

Also, standard French lessons
- level A2 (low intermediate)
- 2 hours a week
- ask for schedule

Don’t know your level? Ask for a free level test.

I give Skype lessons to people who need or want to improve their French language. I like to use material from the internet (videos, article etc.) to introduce a theme which leads to a lesson and a conversation.
 I like to create engaging learning with my students.  I will give as homework a document to watch or to read with comprehension exercises so the time we have on skype is only speaking practice and explanation if needed.
I can help you prepare DELF-DALF Exams or work on specific needs (as professional French).
Really like to speak about all the subjects with the student especially those the student like so it gives the motivation to speak in the foreign language.
The free first lesson is organize to know your tastes, your level and your needs so we can plan the next lessons about the objectives you fixed.
 
 

Reviews

Teaching methodology

4.95/5

Communication

4.95/5

Punctuality

4.95/5

Internet connection

4.95/5

Learning materials

4.95/5
4.95/5

Tiska is giving a great support to my 8 years daughter in this challenging period! We scheduled regularly lessons to improve her French language skill and to review grammars rules in a funny enjoyfull way. Super professional and very kind teacher!

Tiska G. Tiska G.

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hi! My name is Tiphaine, I'm french, I'm 37 years old and I live in Seville.
I grew up in the outside of Paris, I travelled all over the world and I live in Spain for 10 years now.
I'm a musician, a dancer and I love to cook and hike.
I'm a french teacher, and it's my passion! I speak 3 languages, and thanks to my learning I was able to live amazing experiences in many countries.
That's why I became a teacher, to be able to share with you my love for french language and culture and to guide you in your progress.
For me, each language is a way of seeing and interpreting the world, as glasses of different colors.
Understanding the way a language works is understanding how its people see things; it's such a exciting process, I can't wait to share it with you!
I have more than 8 years experience, in schools, companies and universities.
I work with people from all ages, beginners to advanced. I know most of french manuals.
I can prepare you to DELF and DALF exams. I also have a specialization in french for specific goals and french business.
I can offer you thematic courses, to improve your pronunciation, increase your vocabulary, prepare you for traveling or for a new job.
All my classes are in french, I adapt my vocabulary and speech speed according to your level.
I also adapt my method to your needs, personality, to take the best advantage of my classes and your french learning.
I use diversified ressources, from quizz to podcasts, videos, songs and games.
Whatever are your motivations, if you want to learn french in a pleasurable and rewarding way, book a class with me!

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

4.75/5
4.95/5

The strategy of Tiphaine is simple but very effective. She assess each students by understanding their needs and goals first. What I enjoy most is I get to speak french with her more than I did in my other french classes. She also give life advices on the side. :)

Tiphaine R. Tiphaine R. FR

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

Hello!

My name is Ivan. I am a Russian tutor with 16 years of teaching experience. The levels I teach are A1~B2. Individual learners and groups are welcomed!

Our main focus will be on speaking. At each lesson we will work on pronunciation, learn to ask questions and give detailed answers, playing out various role-plays. After every lesson, you will be assigned written and/or audio homework. You will get detailed feedback on every unclear point.

In my lessons, I use e-textbooks (not included in lessons’ price), and my materials (included in lessons’ price).

I won't promise that you will speak Russian in 5 lessons or 1 week, but I promise that you will practice a lot and there will be no unclear points left behind.

Don’t be afraid to take the first step!

Remember: “The devil is not so black as he is painted”!

See you soon in our first lesson!

Reviews

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5

The professor's preparation is impeccable. Perfect to go from basic to advanced level. He organizes the lessons with PDFs and documents customized by him according to the student. Friendly and experienced, perfect for all ages.

This review was written by a coLanguage team member during a manual screening of this teacher profile.

Ivan O. Ivan O. RU

Review

Teaching methodology

5/5

Communication

5/5

Punctuality

5/5

Internet connection

5/5

Learning materials

5/5
5/5