# Geometry Activities

## Notes and worksheets are no substitute for practical life experiences with geometric applications, and the durable episodic memories they produce.

## Proportions Relating to the Golden Ratio (Grades 6-7).

### The ratio of your forearm to hand is Ф=Phi pronounced "Fi" like fly. Your hand creates a golden section in relation to your arm, as the ratio of your forearm to your hand is also 1.618, the Divine Proportion. Forearm/hand = Ф= Forearm + hand/forearm.

Donald Duck Visits the Parthenon in MathMagic Land- and Exploration of PHI

Explore Phi The Golden Ratio WM Golden Number.net Phi Activities from Teach Engineering

## Angles

📽 Video Construct Angles on a Protractor, then on a Template "Angles from Protractor to Paper." Construct Angles on a Protractor, then on a Template

Measure angles within figures- Introduction to a Protractor Measure angles inside triangles Supplementary and Vertical Angle Activities and Worksheets

Measure angles and calculate missing angles within triangles Write equations to compute missing angles within triangles

Sum Interior angles of polygons Sum Interior Angles in Irregular Polygons Quadrant Plans and templates involving a protractor to perform indirect measurement of flagpoles or trees.

## Polygons

Classify Polygons by Attributes using Pipe Manipulatives 📽 Related Video of Shape Construction and Classification

### Perimeter

Linear Measurement: Leaf Measurement Stations Video Directions

Le af Measurement Response Sheet 📽 Kinesthetic Activity with Perimeter using a Graphic Organizer

Perimeter with 2x Facts. Perimeter & Area of rectangles Doubled Inch Dimensions Perimeter

## Area

📽 Kinesthetic Area Activity with Graphic Organizer

Diagram Areas and Dimensions Linked to ÷ & X Facts

Area Diagrams, Labels and 1dxMd 2,5,intro 9x facts

Area Diagrams, Labels and 2dxmd Multidigit Procedures

Area of rectangles with mixed number dimensions Area & Perimeter of Triangles in Rectangles

Multiply a whole # dimension by a mixed # dimension- area model

MCAS Area Multiplication Exam Questions

Trapezoid Area Using Composite Shapes and the Area Formula

## Circles and Vocabulary Instruction

## Volume

Hockey Puck Volume Net 3-D Nets

📽 8.G.c. Multimodal Investigation of Cone Volume Formula Online Volume Calculator 8.G.C.9 Surface Area and Volumes of Cones and Cylinders

8.G.C Volume of conic sections Sphere and Hemisphere Volume and Surface Area WM 8.G.C.9 Compound area and Volume Problems 8.G.C.9 Volume of a tree and Mass of a tree

## Indirect Measurement

Quadrant Plans and templates to use quadrants to perform indirect measurement of flagpoles or trees.

ShadowMaster Plans and templates to perform indirect measurement by comparing relative shadow length of two objects.

ShadowMaster Data Sheets with % Change Make a copy for each student and program % change calculations