Binary fill inversion scene choice
Binary fill inversion scene choice asks the player to apply a same-coordinate binary state inversion, compare read-only complete candidate boards, and submit one separately bound stable scene id.
ActionApply a same-coordinate binary state inversion, compare read-only complete candidate boards, and submit one separately bound stable scene ID.
CheckComplete the binary fill inversion scene choice action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Contour-fit candidate choice
Contour-fit candidate choice asks the player to choose the stable label of the candidate that can fit the target contour under the permitted rigid motions without overlap or deformation.
ActionChoose the stable label of the candidate that can fit the target contour under the permitted rigid motions without overlap or deformation.
CheckComplete the contour-fit candidate choice action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Cube-net opposite-face choice
Cube-net opposite-face choice asks the player to reason from a labeled cube net and select or enter the face opposite the target face.
ActionReason from a labeled cube net and select or enter the face opposite the target face.
CheckChoose the answer that matches the visible prompt.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Curve-cut component count
Curve-cut component count asks the player to determine how many connected pieces result after the declared curves or cuts are applied and enter the count.
ActionDetermine how many connected pieces result after the declared curves or cuts are applied and enter the count.
CheckComplete the curve-cut component count action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Exact spatial symbol-absence choice
Exact spatial symbol-absence choice asks the player to identify an exact relation-defined reference set and choose the unique symbol category absent from it.
ActionIdentify an exact relation-defined reference set and choose the unique symbol category absent from it.
CheckComplete the exact spatial symbol-absence choice action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Hand chirality choice
Hand chirality choice asks the player to choose the visual hand or orientation with the required chirality under rotation but not reflection.
ActionChoose the visual hand or orientation with the required chirality under rotation but not reflection.
CheckComplete the hand chirality choice action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Hidden spatial ordinal entry
Hidden spatial ordinal entry asks the player to combine the tokenized spatial or ordinal clues without exposing the full hidden arrangement and enter the uniquely entailed ordinal or difference value.
ActionCombine the tokenized spatial or ordinal clues without exposing the full hidden arrangement and enter the uniquely entailed ordinal or difference value.
CheckComplete the hidden spatial ordinal entry action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Word problems are confusing
Map-scene clue relation choice
Map-scene clue relation choice asks the player to use one exact route map plus named clues to choose the uniquely forced categorical location for the queried person.
ActionUse one exact route map plus named clues to choose the uniquely forced categorical location for the queried person.
CheckChoose the answer that matches the visible prompt.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Orthographic-projection visibility count
Orthographic-projection visibility count asks the player to use the exact orthographic views to determine and enter the number of visible or required solid elements.
ActionUse the exact orthographic views to determine and enter the number of visible or required solid elements.
CheckComplete the orthographic-projection visibility count action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Relative-position grid arrangement choice
Relative-position grid arrangement choice asks the player to use fixed-position and directed relative-position clues to choose exactly one complete arrangement from a finite bank.
ActionUse fixed-position and directed relative-position clues to choose exactly one complete arrangement from a finite bank.
CheckComplete the relative-position grid arrangement choice action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Word problems are confusing
Voxel hidden-attribute inference choice
Voxel hidden-attribute inference choice asks the player to infer the hidden face state of identically labeled, independently rotated cubes from exact visible projections and choose the matching stable candidate.
ActionInfer the hidden face state of identically labeled, independently rotated cubes from exact visible projections and choose the matching stable candidate.
CheckComplete the voxel hidden-attribute inference choice action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Voxel piece-cover and color-partition choice
Voxel piece-cover and color-partition choice asks the player to inspect complete candidate solids/assemblies and choose the one that exactly covers the voxel target, preserves every declared rigid piece, and satisfies the declared color/mark partition, submitting the candidate’s stored cover witness.
ActionInspect complete candidate solids/assemblies and choose the one that exactly covers the voxel target, preserves every declared rigid piece, and satisfies the declared color/mark partition, submitting the candidate’s stored cover witness.
CheckComplete the voxel piece-cover and color-partition choice action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
Voxel visible-cube count
Voxel visible-cube count asks the player to inspect one complete fixed opaque voxel solid, choose and keep one external viewing place, identify every unit cube satisfying the declared visibility predicate, and submit the exact cube set with its count.
ActionInspect one complete fixed opaque voxel solid, choose and keep one external viewing place, identify every unit cube satisfying the declared visibility predicate, and submit the exact cube set with its count.
CheckComplete the voxel visible-cube count action.
UseSupport / Core / Transfer
ShowsCheck only
PresentationCompact / Standard / Extended
Practice focus
Geometry, shapes, and measurement
