Geometry

Curved vs Straight Lines

Straight never bends; curved bends smoothly.

Lines, Rays & Line Segments

Segment · Ray · Line, count the dots and arrows.

Parallel & Perpendicular Lines

Tracks that never meet, corners that stand square.

2D Shapes

Count the sides, 3 = triangle, 4 = quad, 5 = pentagon.

3D Shapes

Cubes, cones, spheres, count what each has.

Triangle Classification

3 equal → equilateral. 2 → isosceles. 0 → scalene.

Classifying Quadrilaterals

Check the corners first, then compare the sides.

Symmetry

A line of symmetry folds a shape into two matching halves.

Compound Perimeter

Any shape's perimeter = sum of its edges.