The Viafocus library
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Intermediate
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The Coin Kingdom
36 questions
AAdam Al-Masri
Intermediate
OtherAll levels
The 99% Test That's Usually Wrong
43 questions
AAdam Al-Masri5.0
Intermediate
ScienceGrades 6, 7, 8, 9
Two Ways to Be Fast
25 questions · 15 min
VViafocus
Intermediate
OtherGrades 6, 7, 8, 9
The Darkroom Test — How can you tell if a photo or video is AI-generated?
31 questions · 15 min
VViafocus
Intermediate
ScienceGrades 4, 5, 6
One More Tree
16 min
VViafocus5.0
Intermediate
OtherGrades 8, 9
The Receipt That Won't Stop — How does compound interest work, and what does spending really cost you?
32 questions · 14 min
VViafocus
Intermediate
TechnologyGrades 7, 8, 9
Where the Four Hours Went — How social media keeps you scrolling (and who gets paid)
31 questions · 14 min
VViafocus
Intermediate
MathematicsGrades 4, 5, 6
Grandpa Never Loses — How to always win the 21 matchstick game (Nim)
22 questions · 15 min
VViafocus
Intermediate
ScienceGrades 5, 6, 7
Four Marks — How do you survive lost in the wild, and what kills you first?
30 questions · 16 min
VViafocus
Intermediate
OtherGrades 4, 5, 6
Who Really Won? — How votes get counted, and why the rule can change the winner
24 questions · 14 min
VViafocus
Intermediate
MathematicsGrades 6, 7
Frostvakten — hur räknar man med negativa tal på tallinjen?
27 questions · 15 min
VViafocus
Intermediate
TechnologyGrades 7, 8, 9
The Stitching Machine — How does AI learn from examples, and why does it make things up?
35 questions · 15 min
VViafocus
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