NNAT3 Level D case studies
NNAT3 Level D · Put your knowledge to work in context.
The Naglieri Nonverbal Ability Test, Third Edition (NNAT3), Level D is a group-administered, fully pictorial reasoning test used by schools and districts to identify students with strong general ability. Level D is aimed at students in roughly the middle-school grades; the publisher, Pearson, publishes the exact grade bands and administration windows on its site. The NNAT3 Level D case studies are 5 cases and about 3,649 words.
1Nine Tiles for a Corridor Display
A workshop is assembling a 3-by-3 display of nine square tiles for a school corridor. Each tile shows one regular polygon with a number of small dots inside it, and the arrangement follows two rules that hold across every row and every column.
715 words, about 4 min2Stencil Pair on the Sign-Shop Bench
A sign shop uses pairs of stencilled plates. Plate A shows a small open circle with a small filled triangle attached at its right-hand side.
734 words, about 4 min3The Museum Arrow, Frame Six
A museum installation shows a single arrow on a square panel, changing once every two seconds, and visitors are invited to predict frame 6 before it appears. Frames 1 to 5 have been recorded.
704 words, about 4 min4Two Folds, One Punch
A print studio is testing a folding card. A square sheet of paper 8 cm by 8 cm is folded once so that the left edge lands exactly on the right edge, then folded again so that the top edge lands exactly on the bottom edge.
758 words, about 4 min5The Damaged Corner of the 6-by-6 Panel
A tiling contractor is restoring a 6-by-6 panel of square tiles on a station wall. Every tile is either a black diamond or a white circle, and the original design follows a single repeating rule in both directions.
738 words, about 4 min