Fractions are not just numbers with a line in the middle — they are a way of describing relationships: a part compared to a whole. Every case below attacks that idea from a different angle. Work through a few types today; come back tomorrow for entirely new cases.
Shade the Evidence
Build a fraction by hand — click pieces of the shape until the shaded amount matches the target.
Read the Evidence
The shape has already been marked by a previous detective. What fraction does it show?
The Impostor
Three of these four fractions are secretly equal in value. One is an impostor. Find it — and prove it.
Number Line Stakeout
Drag the marker to the exact position of the target fraction on the number line.
The Gap Between
Two fractions are given. Find any fraction that fits strictly between them — there is always at least one.
The Faulty Ledger
A suspect's working is shown below. Exactly one line is wrong. Which one — and why?
Gut Instinct
No calculating on paper allowed — just estimate. Is this fraction closest to 0, ½, or 1?
Always, Sometimes, or Never?
Classify the claim, then check your reasoning against the file.
The Fraction Riddle
The trickiest file in the cabinet. Read carefully, reason it out, then check your answer.