Sumdog for teachers

"Students BEG to practice math on Sumdog daily. Their speed & accuracy has improved in just a few weeks" - CK, Canada

Sumdog: educating by engaging.

Sumdog uses educational games to motivate your students in Common Core mathmathmath, reading and writing. Its adaptive learning engine monitors and guides them as they work.

And the best bit? Lots of Sumdog is completely free, with no time limit. You only pay if you want the premium features.

Common CoreStandardsCurriculum aligned

650 skills, aligned to the Common Core and key state standardsOntario Curriculum and WNCPStandardsNational Curriculum, CfE, Welsh LNF and Northern Irish curriculumAustralian National CurriculumNew Zealand Curriculum - filtered to help you choose. More...

Sumdog's powerful skill browser makes it easy to refine your choice. Show the standardscurriculum correlations, and filter the list by topic or domain.

Click a skill title to view sample questions. And if you're subscribed, a simple traffic light key shows your fluency at that skill.

iPad & Android

As well as playing on computers, you can use our apps for iPad, iPhone and Android. Find out more on our Apps page.

Adaptive learning

Sumdog's powerful learning engine learns about each student individually, and generates questions tailored to each one's needs. More...

Happy students learn more.

Sumdog motivates your students, making them want to keep learning. And as we all know, practice makes perfect.

Engaging games

Students can practicepractise any skill with any game. This ensures Sumdog is never boring - and always relevant. More...

Unlike most game-based learning, Sumdog's games are independent of your choice of skill. So while students choose what they play, teachers retain control over what they learn. And it's great for motivation: when you move on to a new skill, you can still use your favoritefavouritegame to work on it.

Most of Sumdog's mathmaths games and a couple of our writing games are always free to play. Subscriptions unlock even more math & writing games, and all of our reading games.

Rewards and levels

Correct answers are rewarded with virtual coins. Students use them to customizecustomise their avatar and house. More...

There's also a ranking system for achievement, based on endangered animals; students love progressing to the next level.

We believe student motivation is the key to successful learning. Frequent rewards give your students a stream of achievable goals, and a personal investment in their Sumdog work.

School contests

Sumdog's contests are free and fun - and based on accuracy, promoting fact fluencycareful arithmetic. Find out about contests in your area.

In a Sumdog contest, success is based on accuracy. Sumdog's adaptive learning engine ensures every competitor challenged at the right level.

So everyone has an even chance of winning... why not give it a go with your class?

Live data

Log in to your free teacher account while your students play, and you'll see their scores live on your dashboard. More...

The live data is great for pinpointing students who are working well, or those who need a little help.

You could also project it to show the whole class - for example, see who can top the accuracy league.


Set timed tests for subscribed students using the assessment tool. It lets you customizecustomise questions and track results. More...

Sumdog's assessments are available for subscribed students. They don't feature any gameplay. Instead, students see a series of controlled questions.

Choose the skills you're testing, and regenerate individual questions until the test is just right.

In-depth reports

As they answer, students generate a wealth of information. Sumdog reports this skill by skill, and day by day. More...

With a subscription, you can run whole-class reports, drilling down into individual domains and skills, comparing accuracy, speed and effort.

Individual student reports let you check strong and weak skills, and view achievement over any period you choose.

Virtual fun. But very real progress.

The first thing you'll notice about Sumdog is your students' engagement.

Dig a little deeper, though, and Sumdog's learning engine personalizespersonalises their journey through the standards - then reports their progress back to you.

Focused skills

On Sumdog, students have a great time - but their teachers retain full control over their work. More...

At the simplest level, you can simply log in and choose which subject they'll play.

If you have a little more time, choose the default skill set for each student to work on, and Sumdog will help them progress within this range.

Accuracy & fluency

Sumdog tracks your students' answers, building a precise picture of their fluency at each skill. More...

Subscribed students have a simple traffic light system for each skill, giving you a quick overview of their status.

It shows when they're answering accurately, then quickly, and finally fluently at each skill.

Classroom activities

Competitions and challenges guide your students towards goals, and focus them on the right skills. More...

You set the targets, the duration and the skills you want them to practicepractise - and Sumdog uses your settings to guide their work.


Each student has an on-screen avatar, which they can customizecustomise using the coins they earn. More...

This motivates them to answer more questions - so they can enjoy the fruits of their laborlabour.

Sumdog's house

Each student also has their own on-screen house. They use their coins to decorate it. More...

Some time decorating their Sumdog house is a great reward after a practicepractise session.


Students connect with their friends on Sumdog - in a safe, educational way - to compare high scores. More...

They can also send each other gifts, using the coins they've earned.

Broad coverage... with attention to detail.

Sumdog offers hundreds of fine-grained skills across mathmaths, reading and writing.


Sumdog's mathmaths questions are free to use, without any time limit.

They include word problems, and cover a broad range of topics.


Thousands of questions covering grammar and vocabulary.


Let students practicepractise writing together with their classmates and friends.

We've got some special writing games that the students will love - some of which are free, and some requiring subscription.

Students play together with their classmates and friends - which is much more motivating! For example, in Secret, one student must ask questions of another to work out the secret word.

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