Dice and cube face relationships

On a standard die opposite faces add to seven, and on any cube the three faces meeting at a corner are mutually adjacent. Most dice problems are solved by naming which faces are opposite before worrying about what you can see.

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LearnWhat it is, how to spot it, a worked example, and where it goes wrong.
Practice — 3-point ladderNo problems written at this tier yet.Nothing written at this tier yet
Practice — 4-point ladder2 problems. Three in a row finishes it.0/3 in a row · 0/2 solved
Practice — 5-point ladder1 problem. Three in a row finishes it.0/3 in a row · 0/1 solved
Skill quizFinish every ladder that has problems first.Finish the ladders above first

Before and after

Needs first

GEO-10Nets and folding, 2D to 3D

Opens up

Nothing yet. No other skill in the Atlas lists this one as a prerequisite.

In official papers

No indexed official paper question has been tagged with GEO-11 yet. The index grows one paper at a time, and it records only question numbers, point values and our own skill tags — never the problems themselves.

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