Mental Rotation

How to play Mental Rotation

1. Turn an arrow mentally by a given number of degrees.
2. Read the prompt carefully and choose an answer, or type into the answer field.
3. After checking, read the explanation. Use “Next round” to continue.
4. Complete ten rounds for a score out of 100. Restart creates a fresh session.

A worked example

Rotate clockwise 180°. ↓

the answer is ↑. Each quarter turn is 90 degrees.

A useful way to practice

Choose a stable reference point before imagining a turn, reflection or route. Moving one step at a time often helps more than trying to picture the whole transformation at once.

What your result means

This is a recreational spatial activity. Results describe performance on this particular task, with this device and these rules. They are not a clinical assessment, IQ score or promise of improvements in daily life. Your best result and recent sessions stay in this browser; no account is required.