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Lesson Plan
Curated OER

Perimeter and Area of 2D Shapes

For Teachers 6th - 7th
Pupils find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no creative...
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
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Worksheet
Curated OER

Calculate the Circumference

For Students 7th
For this calculate the circumference worksheet, 7th graders find the circumference given the diameter of 4 circles; the formula and the answers are provided.
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Worksheet
Curated OER

Circle Area, Perimeter and Circumference

For Students 5th - 8th
In this geometry skills worksheet, students respond to 7 questions that require them to find the area, perimeter, and circumference of circles.
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Worksheet
Curated OER

Circle Area, Perimeter and Circumference #2

For Students 5th - 6th
In this area, perimeter and circumference worksheet, students determine radius and circumference of given circles. A reference web site is given for additional activities.
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Worksheet
Curated OER

Circumference and Area

For Students 4th - 6th
In this circumference and area worksheet, students find area and circumference of a set of 9 circles. A website reference is given for additional resources.
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Worksheet
Curated OER

Finding Area of Sector

For Students 5th - 6th
In this area of sector worksheet, students solve a total of 6 problems, finding area of sector using radius and length of arc. An answer key is provided.
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Worksheet
Curated OER

Formulas Homework

For Students 9th - 12th
In this circle formulas activity, high schoolers solve 20 fill in the blank problems. Students find the radius, diameter, circumference, area, arc length, and sector area of a circle.
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Lesson Plan
Curated OER

The Internet Pizza Server - Creating Your Own Pizza

For Teachers 8th - 12th
Students create their own pizza, "order" it from the Internet, and see digitized versions. They calculate the area of various size pizzas in order to do cost analysis to determine best buys.
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Lesson Plan
Curated OER

Peter's Second String

For Teachers 5th
Fifth graders determine the maximum area and range of areas of a rectangle with a given perimeter. They discuss a word problem involving perimeter and area as a class, investigate the word problem using a piece of string, and in small...
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Lesson Plan
Curated OER

Circles and Pi

For Teachers 9th - 11th
Students identify the relationship between the radius and Pi. In this geometry activity, students calculate the circumference and area of a circle. They create visuals to help them see how the circumference relates to Pi.
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Lesson Plan
Illustrative Mathematics

Designs

For Teachers 6th - 8th Standards
A resource that makes for excellent group work as students explore the area and perimeter of different complex designs made up of squares and circles. The commentary gives a clear definition of perimeter, but suggests that group members...
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Interactive
Physics Classroom

Kelper's Three Laws

For Students 9th - 12th Standards
A flipped classroom lesson introduces astrophysics fanatics to Kepler's three laws of planetary motion. After reading about the laws of ellipses, equal areas, and harmonies, and also learning how Newton's gravitation concepts come into...
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Lesson Plan
Curated OER

Puck's Girdle

For Teachers 5th
Fifth graders calculate the perimeters, areas, and volumes of everyday objects. They discuss the word problem involving Puck from the Shakespeare play "Mid-Summer Night's Dream," and invent and plan a method for solving the problem in...
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Activity
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Illustrative Mathematics

Hexagonal Pattern of Beehives

For Teachers 9th - 12th Standards
Young geometers and biologists investigate the math of nature in an activity that is just the bee's knees. Participants will study the tessellations of hexagons in a beehive, along with the natural rationale behind the specific shape....
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Activity
Mrs. Burke's Math Page

Let Them Eat Pi

For Teachers 7th - 12th Standards
Looking for a fun and creative way to celebrate Pi Day? Then this is the resource for you. From a scavenger hunt and trivia contest to PowerPoint presentations and skills practice worksheets, this collection of materials is a...
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Unit Plan
New York City Department of Education

Designing Euclid’s Playground

For Teachers 10th Standards
Create a geometric playground. Pupils work through a performance task to demonstrate their ability to use geometric concepts to solve everyday problems. The accompanying engineering design lessons show teachers how the assessment works...
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Worksheet
Curated OER

Cross Sections and Collision Times

For Students 9th - 12th
High schoolers solve five problems including finding the cross sectional area of two bodies, determining the swept out volume of a moving body, finding the average particle volume of a body and determining the collision time for a body.
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Lesson Plan
Curated OER

SuperShapes, Part 1; "Tri"ing Triangles

For Teachers 5th - 6th
An outstanding lesson on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...
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Handout
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Curated OER

Math Handbook: Trigonometry

For Students 9th - 12th Standards
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas. 
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Lesson Plan
Curated OER

Growing Circles

For Teachers 9th - 12th
High schoolers identify the equation to represent a circle. In this algebra lesson, students review properties of conics and how they are related. they use a robot to create a visual of circles and their application to the real world.
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Lesson Plan
Curated OER

Radius, Diameter and Circumference

For Teachers 8th - 10th
In this circle worksheet, students use a drawing of a circle. The diameter is given. Students find the radius, circumference and area of the circle. On the second problem, students are shown a circle with a hole inside it. They compute...
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Worksheet
Curated OER

Compound Shapes: Area and Perimeter

For Students 6th - 7th
In this area and perimeter worksheet, students find each for a set of 6 compound shapes. An answer key is included on page 2.
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Worksheet
Curated OER

Circles and Their Equations

For Students 6th - 7th
In this circle and their equations worksheet, students read about circles and algebraic equations, look at examples and complete exercises.