## CircleRatios_LessonNarrative_Beginning.mov - Section 1: Introduction and Essential Questions

CORNERSTONE:Circle Ratios: Diameter to Radius; Circumference to Diameter

# CORNERSTONE:Circle Ratios: Diameter to Radius; Circumference to Diameter

Unit 6: Geometry

Lesson 6 of 37

Lesson 6 of 37

## Objective: SWBAT determine the ratios of diameter to radius and circumference to diameter by measuring various circles

## Big Idea: Through measurement students discover that PI is not only a mystical number, it is also a humble ratio.

Subject(s):

Math, circumference (Determining Measurements), Geometry, pi, ratio, Circumference to Diameter, 7th gra, circles, perimeter, Diameter

*50 minutes*

##### Similar Lessons

###### Density of Gases

8th Grade Science » Heat Transfer and Interactions of Matter

Big Idea:
This investigation uses a simple method that allows for capturing the gas released from a chemical reaction to help students determine the density of the released gas.

*Favorites(67)*

*Resources(14)*

Brookline, MA

Environment: Urban

Environment: Urban

Somerville, MA

Environment: Urban

Environment: Urban

Elon, NC

Environment: Suburban

Environment: Suburban

Scroll Up

- LESSON 1: Explore Perimeter and Area of Composite Shapes
- LESSON 2: Perimeter of Irregular Rectilinear Shapes
- LESSON 3: Area of Composite Shapes Using a Grid
- LESSON 4: Area of Composite Shapes
- LESSON 5: Area of Regions Formed by Inscribed Shapes
- LESSON 6: CORNERSTONE:Circle Ratios: Diameter to Radius; Circumference to Diameter
- LESSON 7: CORNERSTONE: Circumference Formula
- LESSON 8: Area of a Circle
- LESSON 9: Circumference & Area Fluency Practice
- LESSON 10: Finding the Radius From a Given Circumference or Area
- LESSON 11: Circumference from Area / Area from Circumference
- LESSON 12: Circle Designs: Finding the Area and Perimeter of Shapes Composed of Arcs and Line Segments
- LESSON 13: Assessment_Area and Perimeter (Circumference) of Composite Shapes and Circles
- LESSON 14: Drawing Prisms & Pyramids
- LESSON 15: Describe Prisms and Pyramids Using Algebra
- LESSON 16: Using Nets to Find the Surface Area of Prisms
- LESSON 17: Using a Formula to Find the Surface Area of Prisms
- LESSON 18: Finding the surface area of triangular prisms using a net
- LESSON 19: Finding the Surface Area of a Triangular Prism Using A Formula
- LESSON 20: Discovering the Formula for the Surface Area of A Cylinder
- LESSON 21: Finding the Surface Area of Cylinders Using a Formula
- LESSON 22: Practice Day: Surface Area of Prisms & Cylinders
- LESSON 23: Surface Area of Prisms and Cylinders Assessment
- LESSON 24: Finding the Surface Area of Pyramids Using Nets
- LESSON 25: Finding the Surface Area of Pyramids Using a Formula
- LESSON 26: Surface Area of Composite Shapes
- LESSON 27: Surface Area of Composite Shapes With Holes
- LESSON 28: Surface Area Assessment
- LESSON 29: 3-D Models from 2-D Views
- LESSON 30: Exploring Volume and Surface Area with Unifix Cubes
- LESSON 31: Explore Volume of Rectangular Prisms
- LESSON 32: Find the Volume of Prisms Using a Formula
- LESSON 33: Volume Of Cylinders Using a Formula
- LESSON 34: Volume of Composite Shapes
- LESSON 35: Volume and Surface Area - Accelerated Math Fluency Day
- LESSON 36: Volume of Pyramids
- LESSON 37: Surface Area and Volume Final Assessment

Scroll Down