Math 6: Classifying Figures

Geometry

Sort Figures by Irregular vs. Regular

Regular: All equal sides and angles

Irregular: unequal sides and angles

Sort triangles by number of sides

An equilateral triangle has ALL equal sides

An isosceles triangle has TWO equal sides.

A scalene triangle has NO equal sides.

Sort triangles by number of angles pg. 87

Acute Triangle: All angles are acute

Right Triangle: One angle is right

Obtuse Triangle: One angle is obtuse

Sorting by number of sides

Triangle: 3 sides

Pentagon: 5 sides

Hexagon: 6 sides

Octagon: 8 sides

Sort by quadrilaterals

Rectangles

Parallelograms

Trapezoids

Sort by Convex and Concave

In Class

pg. 86 # 1, 2, 3, and 5

Homework

pg. 36 + 37