The Viafocus library

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Beginner
ScienceGrades 4, 5, 6

One Stick — Why are triangles the strongest shape, and why do bridges and towers use them?

13 questions · 12 min

VViafocusOfficial Viafocus lesson5.0
Beginner
MathematicsGrades 3, 4, 5

The Number That Wouldn't Share — What is a prime number, and why can't you split it into equal rows?

11 min

VViafocusOfficial Viafocus lesson
Beginner
ScienceGrades 4, 5, 6

It Never Came Closer — Why is summer hotter?

14 questions · 10 min

VViafocusOfficial Viafocus lesson
Beginner
ScienceGrades 4, 5, 6

Empty Hands — How do astronauts move in space?

11 questions · 8 min

VViafocusOfficial Viafocus lesson
Beginner
ScienceGrades 4, 5, 6

Trettio man springer — varför sjönk Vasa, och vad är tyngdpunkt?

14 questions · 10 min

VViafocusOfficial Viafocus lesson
Beginner
Language ArtsGrades 4, 5, 6

Ett mellanslag — vad är särskrivning?

13 questions · 8 min

VViafocusOfficial Viafocus lesson
Beginner
OtherGrades 4, 5, 6

Snittet ljuger — vad är skillnaden mellan medelvärde och median?

11 questions · 10 min

VViafocusOfficial Viafocus lesson
Beginner
ScienceGrades 4, 5, 6

Three Sticks — Why are bridges made of triangles?

13 questions · 6 min

VViafocusOfficial Viafocus lesson4.0
Beginner
GeographyGrades 3, 4, 5, 6

Sveriges landskap – lägg pusslet med alla 25 landskap

19 questions · 12 min

VViafocusOfficial Viafocus lesson5.0
Beginner
MathematicsGrades 3, 4, 5, 6

Midsommar i snön — varför finns skottår?

14 questions · 7 min

VViafocusOfficial Viafocus lesson
Beginner
MathematicsGrades 4, 5, 6

Vik till månen — Vad är exponentiell tillväxt?

7 questions · 7 min

VViafocusOfficial Viafocus lesson
Beginner
ScienceGrades 4, 5, 6

Locket — Varför fryser inte sjön till botten?

7 questions · 5 min

VViafocusOfficial Viafocus lesson

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Interactive lessons for every classroom

Every lesson on Viafocus is interactive: students answer as they go and get immediate feedback, while teachers see live results. Lessons are created by teachers across Sweden and by the Viafocus studio — official lessons carry a blue verified mark.

Start with Mathematics · Science · Official Viafocus

Frequently asked

Are Viafocus lessons free?

Yes — every lesson in the library is free to play in the browser, with no account required. A free account lets you save lessons and see results.

Can I run a lesson live with my class?

Yes. Start a live session from any lesson — students join with a code on their own devices, and their answers land on your dashboard in real time.

Who creates the lessons?

Teachers in the community and the Viafocus studio team. Lessons built by the Viafocus studio carry a blue verified mark next to the byline.

Can I use a lesson someone else made?

Yes. Any published lesson can be played, shared with a class, or copied into your own library so you can adapt it before teaching it.