NNAT3 Level B: Spatial Visualization (NNAT3 Level B)

Spatial Visualization asks you to mentally move, turn, flip, fold, or combine shapes. Level B items use simple geometric figures and pictures, and the answer choices are shapes rather than words. You must picture the result without physically moving the pieces.

Core rules

• Rotation turns a shape without changing it. Reflection flips it like a mirror.
• Combining pieces: fit edges together without gaps or overlaps unless the item allows them.
• Folding: imagine the paper or shape closing along the line. Parts on one side move to the other.
• Track a single feature, such as a notch or a colored corner, through the change.

Worked example

You are shown two identical right triangles and asked which shape can be made by joining them along their longest side. Each triangle has a right angle and two shorter sides. Joining along the longest side, called the hypotenuse, puts the right angles at opposite corners and forms a square when the short sides are equal. If the short sides are not equal, it forms a rectangle. A triangle answer is wrong because two triangles joined edge-to-edge make a four-sided shape, not a triangle. A circle is wrong because no curved edge exists.

Traps

• Confusing a rotation with a reflection. A flipped shape cannot be rotated to match.
• Choosing a shape that looks similar but has a different number of sides.
• Overlapping pieces when the item requires edge-to-edge joining.
• Losing track of a marked corner or colored side.