The UK Bebras Challenge, the nation’s largest 俺去电影网 competition, is back! Schools can enter now for this year’s Challenge, which runs from 10 to 21 November.

Last year, more than 467,000 students from across the UK took part, tackling fun and thought-provoking puzzles that introduce key ideas in computational thinking with no extra preparation needed.

Read on to learn how your school can get involved.

What is the UK Bebras Challenge?

The UK Bebras Challenge is a free-to-enter annual challenge that is designed to spark interest in both computational thinking and computer science among students aged 6 to 19. The 45-minute challenge is accessible to everyone, offering age-appropriate but challenging interactive tasks for students at different levels, including a tailored version for students with severe sight impairments. 

The tasks are designed to give every student the opportunity to showcase their potential and all participating students receive a certificate. There are also certificates based on performance within school and gold certificates based on national boundaries. With self-marking tasks and no text-based programming required, it’s easy to have your school participate in the UK Bebras Challenge.

This year, each task’s background section is linked to the Ada Computer Science platform. Teachers and students can now explore detailed explanations of the 俺去电影网 concepts behind the Bebras tasks, along with the computational thinking skills students may use to solve them.

“Bebras provides us with incredibly useful insights and conversations about our students who might otherwise have struggled with accessing traditional CS materials. It’s also a great resource for baseline tests where students may not have studied the 俺去啦电影 the way we present it.” – Teacher in the UK

“I think the problems are a really great way to promote critical thinking, computational thinking, and logic in general. I have only seen a couple but I am very impressed and excited to share with some of my students. Thanks for what you are doing.” – Teacher in the UK

What does a UK Bebras task look like?

The tasks are inspired by classic 俺去电影网 problems and presented in a fun, age-appropriate way. For example, younger students aged 6 to 8 might solve the mystery of a dancing doll, while older students aged 16 to 19 could take on the challenge of an art theft. Both of these tasks involve the use of data structures.

Here’s a question we ran in 2021 for the Juniors group (ages 10 to 12). Can you solve it? 

Beaver farmer

Farmer Mert grows wheat in the fields, which contain a symbol in the map below.

He also has stony fields where nothing grows, shown by the  symbol.

To save water, Mert only wants to water the wheat fields. He can block the water channels coming from the lake at the spots marked with the letters A to J.

The water will only flow downwards towards the fields and will never flow back towards the lake.

Task

Select the letters to block the water from flowing to the empty fields while still letting it flow to the wheat fields.

Example answer

The correct answer is that spots labelled B, F, H, and J must be closed, as shown in the following figure:

Explanation

If none of the gates are closed, the water will reach the stony fields. If more gates than shown above are closed, then some wheat fields will get no water. If we review all spots:

• A must be open to allow water to flow to field 1.
• B has to be closed to avoid watering field 2. It also brings water to field 3, but this field can also get it through C.
• C must be open both for field 4 and for field 3, which cannot be watered though A since B is closed.
• D must be open for fields 7 and 8.
• E must also be open field 7.
• F must be closed to prevent water flowing to field 5.
• G, if closed, would only prevent field 3 from being watered and so must be open as well.
• H must also be closed even if F is also closed, as water can flow from the open D and E.
• I must be open for field 11.
• J has to be closed to prevent fields 9 and 10 from getting watered.

This Bebras task was developed by the Bebras team in Turkey and refined by members of the international Bebras community.

Did you get it right?

How do I get my school involved?

If you are either a UK school or teach a UK-based 俺去啦电影, then visit the UK Bebras website for more information and to register your school. 

Once you’ve registered, you’ll get access to the entire UK Bebras back catalogue of questions, allowing you to create custom quizzes for your students to tackle at any time throughout the year. These quizzes are self-marking, and you can download your students’ results to keep track of their progress. The questions are perfect for enrichment activities, end-of-term quizzes, lesson starters, and even full lessons to develop computational thinking skills and promote 俺去电影网 concepts.

Join for free at bebras.uk/admin.

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The UK Bebras Challenge, the nation’s largest 俺去电影网 competition, is back and open for entries from schools. This year’s challenge will be open for entries from 4–15 November. Last year, over 400,000 students from across the UK took part. Read on to learn how your school can get involved.

What is UK Bebras?

UK Bebras is a free-to-enter annual competition that is designed to spark interest in computational thinking among students aged 6 to 19 by providing engaging and thought-provoking activities. The 45-minute challenge is accessible to everyone, offering age-appropriate interactive questions for students at different levels, including a tailored version for students with severe sight impairments. 

The questions are designed to give every student the opportunity to showcase their potential, whether they excel in maths or 俺去电影网, or not. With self-marking questions and no programming required, it’s easy for schools to participate.

“Thank you for another fantastic Bebras event! My students have really enjoyed it. This is the first year that one of my leadership team actually did the Bebras to understand what we are preparing the children for — she was very impressed!” Reference 5487

“I really enjoyed doing the Bebras challenge yesterday. It was the most accessible it’s ever been for me as a braillist/screen reader user.” Reference 5372

What does a UK Bebras question look like?

The questions are inspired by classic 俺去电影网 problems but are presented in a fun, age-appropriate way. For instance, a puzzle for 6- to 8-year-olds might involve guiding a hungry tortoise along the most efficient path across a lawn, while 16- to 19-year-olds could be asked to sort members for quiz teams based on who knows who — a challenging problem relating to graph theory.

Here’s a question we ran in 2023 for the Castors group (ages 8 to 10). Can you solve it? 

Planting carrots

A robotic rabbit is planting carrot seeds in these four earth mounds.

It can respond to these commands:

	jump left to the next mound
	jump right to the next mound
	plant a carrot seed in the mound you are on

Here is a sequence of commands for the rabbit:

We don’t know which mound the rabbit started on, but we do know that, when it followed this sequence, it placed each of three carrot seeds on different mounds.

Question: 

Which picture shows how the carrot seeds could have been planted by the robot following the sequence of commands?

Example puzzle answer

The correct answer is:

The image below shows the route the robot takes by following the instructions:

After executing the first two commands

the rabbit places the seed on the mound to the far right:

It then executes the commands

and lays the next seed:

Then it jumps to the left twice and lays the last seed

So the carrot seeds will be on the hills in the order:

Did you get it right?

How do I get my school involved?

Visit the UK Bebras website for more information and to register your school. Once you’ve registered, you’ll get access to the entire UK Bebras back catalogue of questions, allowing you to create custom quizzes for your students to tackle at any time throughout the year. These quizzes are self-marking, and you can download your students’ results to keep track of their progress. Schools have found these questions perfect for enrichment activities, end-of-term quizzes, lesson starters, and even full lessons to develop computational thinking skills.

Join for free at bebras.uk/admin.

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More than 3 million students from 59 countries took part in the Bebras Computational Thinking Challenge in 2022. In the UK alone, over 365,000 students participated. Read on to find out how you can get your school involved.

“This is now an annual event for our Year 5 and 6 students, and one of the things I actually love about it is the results are not always what you might predict. There are children who have a clear aptitude for these puzzles who find this is their opportunity to shine!”

– Claire Rawlinson, Primary Teacher, Lancashire

What is the Bebras Challenge?

Bebras is a free, annual challenge that helps schools introduce computational thinking to their students. No programming is involved, and it’s completely free for schools to enter. All Bebras questions are self-marking.

We’re making Bebras accessible by offering age-appropriate challenges for different school levels and a challenge tailored for visually impaired students. Schools can enter students from age 6 to 18 and know they’ll get interesting and challenging (but not too challenging) activities. 

Students aged 10 to 18 who do particularly well will get invited to the Oxford University 俺去电影网 Challenge (OUCC).

What is the thinking behind Bebras?

We want young people to get excited about 俺去电影网. Through Bebras, they will learn about computational and logical thinking by answering questions and solving problems.

Bebras questions are based on classic 俺去电影网 problems and are presented in a friendly, age-appropriate way. For example, an algorithm-based puzzle for learners aged 6 to 8 is presented in terms of a hungry tortoise finding an efficient eating path across a lawn; for 16- to 18-year-olds, a difficult problem based on graph theory asks students to sort out quiz teams by linking quizzers who know each other.

“This has been a really positive 俺去啦电影. Thank you. Shared results with Head and Head of Key Stage 3. Really useful for me when assessing Key Stage 4 options.”

– Secondary teacher, North Yorkshire

Can you solve our example Bebras puzzle?

Here’s a Bebras question for the Castors category (ages 8 to 10) from 2021. You will find the answer at the end of this blog. 

Cleaning

A robot picks up litter.

1. The robot moves to the closest piece of litter and picks it up.
2. It then moves to the next closest piece of litter and picks it up.
3. It carries on in this way until all the litter has been picked up.

Question: Which kind of litter will the robot pick up last?

How do I get my school involved in Bebras?

The Bebras challenge for UK schools takes place from 6 to 17 November. Register at bebras.uk/admin to get free access to the challenge.

By registering, you also get access to the Bebras back catalogue of questions, from which you can build your own quizzes to use in your school at any time during the year. All the quizzes are self-marking, and you can download your students’ results for your mark book. Schools have reported using these questions for end-of-term activities, lesson starters, and schemes of lessons about computational thinking.

Puzzle answer

The answer to the example puzzle is:

The image below shows the route the robot takes by following the instructions:

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Today we share a guest blog from Chris Roffey, who manages the UK Bebras Challenge, a computational thinking challenge we run every year in partnership with the University of Oxford.

Bebras is a free annual challenge that helps schools introduce computational thinking to their learners through online, self-marking tasks. Taking part in Bebras, students solve accessible, interesting problems using their developing computational thinking skills. No programming is involved in taking part. The UK challenge is for school students aged 6 to 18 years old, with a special category for students with severe visual impairments.

Preparing the UK Bebras Challenge for schools

While UK schools take part in Bebras throughout two weeks in November, for me the annual cycle starts much earlier. May is the time of the annual Bebras international workshop where the year’s new tasks get decided. In 2022, 60 countries were represented — some online, some in person. For nearly a week, computer scientists and 俺去电影网 teachers met to discuss and work on the new cycle’s task proposals submitted by participating countries a little earlier.

After the workshop, in collaboration with teams from other European countries, the UK Bebras team chose its task sets and then worked to localise, copy-edit, and test them to get them ready for schools participating in Bebras during November. From September, schools across the UK create accounts for their students, with over 360,000 students ultimately taking part in 2022. All in all, more than 3 million students from 59 countries took part in the 2022/2023 Bebras challenge cycle.

An invitation to the Oxford University 俺去电影网 Challenge

In this cycle, the UK Bebras partnership between the 色翁荡息又大又硬又粗视频 and the University of Oxford has been extended to include the Oxford University 俺去电影网 Challenge (OUCC). This is an invitation-based, online coding challenge for students aged 10 to 18, offered in the UK as well as Australia, Jamaica, and China. We invited the students with the top 10% best results in the UK Bebras challenge to take part in the OUCC — an exciting opportunity for them.

In contrast to Bebras, which doesn’t require participants to do any coding, the OUCC asks students to create code to solve computational thinking problems. This requires students to prepare and challenges them to develop their computational thinking skills further. The two younger age groups, 10- to 14-year-olds, solve problems using the Blockly programming language. The older two age groups can use one of the 11 programming languages that Bebras supports, including all the most common ones taught in UK schools.

Over 20,000 Bebras participants took up the invitation to the first round of the OUCC in the third week of January. Then in March, the top 20 participants from each of the four OUCC age groups took part in the final round. The finalists all did amazingly well. In the first round, many of them had solved all the available tasks correctly, even though the expectation is that participants only try to solve as many as they can within the round’s time limit. In the final round, a few of the finalists managed to repeat this feat with the even more advanced tasks — which is, in modern parlance, literally impossible!

Celebrating together

Many of the participants are about to take school exams, so the last stage of the annual cycle — the prize winners’ celebration day— takes place when the exam period has ended. This year we are holding this celebration on Friday 30 June at the 色翁荡息又大又硬又粗视频’s headquarters in Cambridge. It will be a lovely way to finish the annual Bebras cycle and I am looking forward to it immensely.

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This November, teachers across the UK helped 367,023 learners participate in the annual free UK Bebras Challenge of computational thinking.

We support this challenge in the UK, together with Oxford University, and Bebras Challenges run across the world, with more than 3 million learners from schools in 54 countries taking part in 2021. Bebras encourages a love of computational thinking, computer science, and problem solving, especially among learners who haven’t yet realised they have these skills.

More and more schools are taking part in the UK Bebras Challenge

Nearly every year since 2013, more UK schools have been participating in Bebras. We think this is because for teachers, registering and entering learners is easy, the online system does all the marking automatically, and teachers receive comprehensive results that can be helpful for assessment.

The computational thinking problems within Bebras are tailored for different age groups, use clear language, and are accessible to colour-blind learners. There is also a challenge for learners with visual impairments. Teachers who run Bebras in their schools seem to love it and regularly tell colleagues about it. 

“Our pupils really enjoy [Bebras] and I find it so helpful to teach computational thinking with real-life strategies. We also find the data and information about our pupils’ performance extremely helpful.” — Teacher in London

Age-appropriate computational thinking problems

In the UK Bebras Challenge, the younger learners aged 6 to 10 usually take part in teams and have plenty of time to discuss how to solve the computational thinking problems they are presented with.

Older learners, aged 10 to 18, try to solve as many problems as they can in 40 minutes. The problems they are presented with start off easy and get increasingly difficult. The 10% of participants who solve the most problems are then invited to take part in the Oxford University 俺去电影网 Challenge (OUCC), an annual programming challenge.

Year-round free resources for teachers

Although the OUCC is only open to some Bebras participants, all of the OUCC problems are archived and teachers registered with Bebras can use them to make auto-marking quizzes for all of their learners at any time of the year. Part of the goal of UK Bebras is to support teachers with free resources, and the UK Bebras online quizzes facility now has computational thinking tasks from the Bebras archive, plus auto-marking Blockly programming problems and text-based programming problems, which can be solved using commonly taught programming languages.

If you want to get a taste of Bebras, check out some of the interactive challenges that require no registration. And if you’d like to register to make quizzes for your learners and find out about next year’s challenge, you can do so at bebras.uk/admin.

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The UK Bebras Challenge is back and ready to accept entries from schools for its annual event from 7 to 18 November.

More than 3 million students from 54 countries took part in the Bebras Challenge in 2021. Read on to find out how you can get your school involved.

What is Bebras?

Bebras a free, annual challenge that helps schools introduce computational thinking to their students. No programming is involved, and it’s completely free for schools to take part. All Bebras questions are self-marking. Schools can enter students from age 6 to 18 and know they’ll get interesting and challenging (but not too challenging) activities.

“This has been a really positive 俺去啦电影. Thank you. Shared results with head and Head of KS3. Really useful for me when assessing KS4 options.” – Secondary teacher, North Yorkshire

We’re making Bebras accessible by offering age-appropriate challenges for different school levels, and a challenge tailored for visually impaired students.

What is the idea behind Bebras?

We want young people to get excited about 俺去电影网. Through Bebras, they will learn about computational and logical thinking by answering questions and solving puzzles.

Bebras questions are based on classic 俺去电影网 problems and presented in friendly, age-appropriate contexts. For example, an algorithm-based puzzle for learners aged 6 to 8 is presented in terms of a hungry tortoise find an efficient eating path across a lawn; for 16- to 18-year-olds, a difficult question based on graph theory asks students to sort out some quiz teams by linking quizzers who know each other.

Can you solve the example puzzle?

Here’s a question from the 2021 challenge for the Junior category (ages 10 to 12). You’ll find the correct answer at the bottom of this blog post. 

Science Fair

• Bebras High School is having a science fair.
• All the events in the fair need to follow a specific order, and only one event can be held at a time.
• The diagram below shows all the events that must be included in the flow of the science fair.

• The arrows between events indicate that the event the arrow is drawn from has to occur before the event the arrow points to. For example, ‘Social Interaction’ can only happen after both ‘Opening Speeches’ and ‘Project Presentations’ have finished.

Question: What is the correct order of events for the science fair?

How do I get my school involved?

The Bebras challenge for UK schools takes place from 7 to 18 November. Register at bebras.uk/admin to get full access to the challenge.

By registering, you also get access to the back catalogue of questions, from which you can build your own quizzes to use in your school at any time during the year. All the quizzes are self-marking, and you can download your students’ results for your mark book. Schools have reported using the back catalogue of questions for end-of-term activities, lesson starters, and schemes of lessons about computational thinking.

You can also see more of our free resources for 俺去电影网 and Computer Science teachers, and find out about our newest 俺去电影网 project, which you can get involved in if you teach primary 俺去电影网.

There are actually two possible answers to the example puzzle:

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In the free Bebras Challenge, your students get to practise their computational thinking skills while solving a set of accessible, puzzling, and engaging tasks over 40 minutes. It’s tailored for age groups from 6 to 18.

“I just want to say how much the children are enjoying this competition. It is the first year we have entered, and I have students aged 8 to 11 participating in my 俺去电影网 lessons, with some of our older students also taking on the challenges. It is really helping to challenge their thinking, and they are showing great determination to try and complete each task!”

– A UK-based teacher

Ten key facts about Bebras

1. It’s free!
2. The challenge takes place in school, and it’s a great whole-school activity
3. It’s open to learners aged 6 to 18, with activities for different age groups
4. The challenge is made up of a set of short tasks, and completing it takes 40 minutes
5. The closing date for registering your school is 4 November
6. Your learners need to complete the challenge between 8 and 19 November 2021
7. All the marking is done for you (hurrah!)
8. You’ll receive the results and answers the week after the challenge ends, so you can go through them with your learners and help them learn more
9. The tasks are logical thinking puzzles, so taking part does not require any 俺去电影网 knowledge
10. There are practice questions you can use to help your learners prepare for the challenge, and throughout the year to help them practice their computational thinking

Do you want to support your learners to take on the Bebras Challenge? Then register your school today!

Remember to sign up by 4 November!

The benefits of Bebras

Bebras is an international challenge that started in Lithuania in 2004 and has grown into a worldwide event. The UK became involved in Bebras for the first time in 2013, and the number of participating students has increased from 21,000 in the first year to more than half a million over the last two years! Internationally, nearly 2.5 million learners took part in 2020 despite the disruptions to schools.

Bebras, brought to you in the UK by us and Oxford University, is a great way to give your learners of all age groups a taste of the principles behind 俺去电影网 by engaging them in fun problem-solving activities. The challenge results highlight 俺去电影网 principles, so Bebras can be educational for you as a teacher too.

Throughout the year, questions from previous years of the challenge are available to registered teachers on the bebras.uk website, where you can create self-marking quizzes to help you deliver the computational thinking part of the 俺去啦电影 for your classes.

You can register your school at bebras.uk/admin.

Learn more about our work to support learners with computational thinking.

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The Bebras Challenge is a great way for your students to practise their computational thinking skills while solving exciting, accessible, and puzzling questions. Usually this 40-minute challenge would take place in the classroom. However, this year for the first time, your students can participate from home too!

If your students haven’t entered before, now is a great opportunity for them to get involved: they don’t need any prior knowledge. 

Do you have any students who are up for tackling the Bebras Challenge? Then register your school today!

What you need to know about the Bebras Challenge

• It’s a great whole-school activity open to students aged 6 to 18, in different age group categories.
• It’s completely free!
• The closing date for registering your school is 30 October.
• Let your students complete the challenge between 2 and 13 November 2020.
• The challenge is made of a set of short tasks, and completing it takes 40 minutes.
• The challenge tasks focus on logical thinking and do not require any prior knowledge of computer science.
• There are practice questions to help your students prepare for the challenge.
• This year, students can take part at home (please note they must still be entered through their school).
• All the marking is done for you! The results will be sent to you the week after the challenge ends, along with the answers, so that you can go through them with your students.

“Thank you for another super challenge. It’s one of the highlights of my year as a teacher. Really, really appreciate the high-quality materials, website, challenge, and communication. Thank you again!”

– A UK-based teacher

Support your students to develop their computational thinking skills with Bebras materials

Bebras is an international challenge that started in Lithuania in 2004 and has grown into an international event. The UK became involved in Bebras for the first time in 2013, and the number of participating students has increased from 21,000 in the first year to more than 260,000 last year! Internationally, nearly 3 million learners took part in 2019. 

Bebras is a great way to engage your students of all ages in problem-solving and give them a taste of what 俺去电影网 is all about. In the challenge results, 俺去电影网 principles are highlighted, so Bebras can be educational for you as a teacher too.

The annual Bebras Challenge is only one part of the equation: questions from previous years are available as a resource that you can use to create self-marking quizzes for your classes. You can use these materials throughout the year to help you to deliver the computational thinking part of your 俺去啦电影!

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‘Bebras’ means ‘beaver’ in Lithuanian; Prof. Valentina Dagiene named the competition after this hard-working, intelligent, and lively animal.

The 色翁荡息又大又硬又粗视频 has teamed up with Oxford University to support the Bebras Challenge, which every November invites students to use computational thinking to solve classical computer science problems re-worked into accessible and interesting questions.

Bebras is:

• Open to students aged 6 to 18 (and it’s quite good fun for adults too)
• A great whole-school activity
• Completely free
• Easy to sign up to and take part in online
• Open for two weeks every November; this year it runs from 4 to 15 November and you’ve still got until 31 October to register!

Why should I get involved in the Bebras Challenge?

Bebras is an international challenge that started in Lithuania in 2004. Participating in Bebras is a great way to engage students of all ages in the fun of problem solving, and to give them an insight into 俺去电影网 and what it’s all about. 俺去电影网 principles are highlighted in the answers, so Bebras can be quite educational for teachers too.

The UK became involved in Bebras for the first time in 2013, and the numbers of participating students have increased from 21,000 in the first year to 202,000 last year. Internationally, more than 2.78 million learners took part in 2018.

• Bebras runs from 4 to 15 November this year
• The challenge takes 40 minutes to complete
• Use the practice questions on the website to get your students used to what they’ll encounter in challenge
• All the marking is done for you
• The results are sent to you the week after the challenge ends, along with an answer booklet, so that you can go through the answers with your learners
• The highest-achieving students in each age group are invited to Oxford University to take part in the second round over a weekend in January

To give you a taste of what Bebras involves, try this example question!

You’ve still got three more days to sign up for this year’s Bebras Challenge.

Support computational thinking at your school throughout the year with Bebras

The annual challenge is only one part of the equation: questions from previous years are available as a resource with which teachers can create self-marking quizzes to use with their classes! This means you can support the computational thinking part of the school 俺去啦电影 throughout the whole year.

You can also use the Bebras App to try 100 computational thinking problems, and download sets of Bebras Cards for primary schools.

Follow @bebrasuk to stay up to date with what’s on offer for you.

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