# Find Resources

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Angle Pieces

Resource:
Angle Pieces

Evelyn Israel's multi-activity resource for using angle sector laminated cut outs to support student sense-making.

All Resources From:
• Unit 2

Building Shapes
Resource:
Building Shapes

This is one of our favorite team building activities. Students work together using a rope to create 3-D
shapes. The teacher plays the role of the skeptic and asks students to justify how they know their
shape satisfies its defined characteristics. Students will need everyone in their group to successfully
build these complex shapes and provide a convincing argument.

Calculating Arcs and Areas of Sectors of Circles

Resource:
Calculating Arcs and Areas of Sectors of Circles

This lesson unit is intended to help you assess how well students are able to solve problems involving area and arc length of a sector of a circle using radians. It assumes familiarity with radians and should not be treated as an introduction to the topic. This lesson is intended to help you identify and assist students who have difficulties in:
Computing perimeters, areas, and arc lengths of sectors using formulas.
Finding the relationships between arc lengths, and areas of sectors after scaling.

Calculating Pi

Resource:
Calculating Pi

The goal of this lesson is to activate students’ current understanding of statistical sampling methods to find an accurate count of a number of dots in an image and then use the results of their sampling to find the value of π. The focus for this lesson should be on the different sampling methods, not the calculation of π.

All Resources From:
• Unit 6

#### Statistics (Inferences from Data)

Circles and Squares

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Circles and Squares

In this task, you must solve a problem about circles inscribed in squares.

All Resources From:
• Unit 7

#### Circles

Constructions

Resource:
Constructions

Over the past few years, I have created videos and interactive notebook pages for all of the typical constructions that we teach.  The attached resource has all for your perusal.

All Resources From:
• Unit 1

#### Tools of Geometry

Developing a sense of scale

Resource:
Developing a sense of scale

Focus on proportions and proportional relationships between similar figures.

All Resources From:
• Unit 3

#### Similarity and Proof

Emoji Graphs

Resource:
Emoji Graphs

This activity has students looking at emojis drawn on a graph and considering how the variables of cute/not cute and use/do not use are related to each other for each emoji.

Exponential Functions FAL choices
Resource:
Exponential Functions FAL choices

A Classroom Challenge (aka formative assessment lesson) is a classroom-ready lesson that supports formative assessment. The lesson’s approach first allows students to demonstrate their prior understandings and abilities in employing the mathematical practices, and then involves students in resolving their own difficulties and misconceptions through structured discussion.

Extending to Three Dimensions FAL Choices
Resource:
Extending to Three Dimensions FAL Choices

A Classroom Challenge (aka formative assessment lesson) is a classroom-ready lesson that supports formative assessment. The lesson’s approach first allows students to demonstrate their prior understandings and abilities in employing the mathematical practices, and then involves students in resolving their own difficulties and misconceptions through structured discussion.

FAL: Drawing to scale: A garden

Resource:
FAL: Drawing to scale: A garden

An FAL that focuses on scale factor and similar figures.

All Resources From:
• Unit 3

#### Similarity and Proof

Finding the equation of a circle lesson

Resource:
Finding the equation of a circle lesson

This lesson plan from the Virginia State Board of Education describes a strategy for supporting students in finding the equation of a line.

All Resources From:
• Unit 3