5.G.3

In this standard, students are expected to categorize shapes based on their attributes.

Quadrilateral: 4 sided polygon

Trapezoid: a quadrilateral with at least 1 pair of parallel sides

Parallelogram: two pairs of parallel sides

Rectangle: 4 right angles, opposite sides are equal and parallel

Rhombus: 4 equal sides, opposite sides are equal and parallel

Square: 4 right angles, 4 equal sides

Equilateral triangle: all three sides the same

Scalene triangle: no sides the same

Isosceles triangle: at least two sides the same

Acute triangle: all acute angles

Obtuse triangle: one obtuse angle

Right triangle: one right angle

Back to Geometry