Sumdog's free maths games

Sumdog's math games are all free to play, whether you're at home or in school. (Why are they free?).

Teachers who sign up can also get free accounts for their students which allow them to track their progress.

The ultimate in urban numeracy: a skyscraper climbing race, against three other agile mathematicians.

Each window has a possible answer, and if you choose the right one your grip will hold - but choose wrongly, and you'll slip back a floor....

Shoot your way out of a swarm of advancing alien robots. Each is marked with the answer to a math question.

Shoot the right answer to keep them at bay... but choose the wrong one, and they'll keep on coming...

Answer maths questions to race against 3 other students, or against Sumdog.

Answer correctly to speed up, but get it wrong and you'll skid to a halt.

Play tennis against Sumdog, or against another Sumdog student, by answering maths questions.

Answer correctly to hit your shots - but wrong answers will send the ball long, or into the net!

A mathematical sprint against 3 other students - or if you prefer, against Sumdog's highly trained team of robots.

Get three questions wrong, though, and you'll stumble out of the race!

Strap on your guitar, step before the judges and dazzle them with your numeracy.

Be careful, though - if you answer wrongly, you'll miss a chord, and if you miss too many you'll be voted out!

It's sudden-death shoot-out against players worldwide, or against Sumdog's team of robots.

Compose yourself, start your run-up and click the right answer to place your shot... but get it wrong, and it'll be saved easily.

Math doesn't get tougher than this. Four enormous linebackers blitzing you, each wearing a possible answer.

Pick the correct answer and you'll break their defense to score... but choose wrongly, and, well, it's gonna hurt.

Look at your local canal. What a mess. Empty cans everywhere. Disgusting. If only you could do something.

Hang on, though... the cans have all got questions and answers on them! Maybe if you can pair the right ones up...