Bruno's Triangle Test

Bruno the bear builder helps first graders find out what makes a shape a triangle. Students compare triangles of every shape and turn with near-misses (an opening, a curved side, a cut-off corner), sort shape cards into triangles and not triangles, then draw triangles and a 4-sided shape on dot paper. Every direction is read aloud, and every wrong answer gets a spoken hint.

• 12 narrated scenes with Bruno the bear builder
• Exact shape cards: triangles and near-misses
• A card sort into triangles and not triangles
• Three dot-paper drawing tasks, checked automatically
• A spoken hint after every wrong answer

• Say what all triangles have: 3 straight sides, 3 corners, and no opening.
• Tell why a shape is not a triangle: 4 sides, an opening or a curved side.
• Sort triangles from shapes that are not triangles.
• Draw triangles on dot paper, and a shape that is not a triangle.