Curated OER
All About Circles
In this all about circles instructional activity, students interactively answer 10 multiple choice questions about circles, then click to check their answers.
Curated OER
Circles in Circles
In this circle worksheet, students use a diagram of 4 concentric circles to complete a set of 4 questions. A reference web site is given for additional activities.
Curated OER
Some Facts about Pi
For this Pi handout, 10th graders are provided with a brief history of Pi as well as mnemonics they can use to remember the digits of Pi. There are additional links on this page that provide access to more interesting facts about Pi
Curated OER
Using the Proper Tools to Solve Problems
For this word problem worksheet, students complete ten multiple choice word problems by choosing the correct mathematical operation. This is an interactive worksheet.
Curated OER
How Long is a Slinky?
Pupils take part in a variety of measurement tasks. Students measure the length of a slinky. Pupils work out how many slices of tomato will fit around the edge of a pizza. Students measure the label from a can accurately.
Curated OER
Math on the Ragbrai-Using the Proper Tools to Solve Problems
In this problem solving tools worksheet, students complete a set of 10 multiple choice questions. Worksheet is labeled as a "pre test."
Curated OER
Estimation Quiz: Use a Table
In this estimation worksheet, students use information about planets, given in a table, to complete a 16 question quiz. Answers are included on page 2. A reference web site is given for additional activities.
Curated OER
Perimeter
Young scholars explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Young scholars use the Perimeter Explorer applet to find the perimeter of various shapes.
Curated OER
Understanding Symbols
In this symbols activity, students read about how different symbols are used to represent variables or constants in equations. Then students complete 3 problems.
Curated OER
Life in a Geometrical Town
In this geometry worksheet, students create a map that uses various geometrical concepts. The final project is the creation of a "geometrical town." Rubric for grading is included.
Curated OER
A Breath of Fresh Air
Students explore the primary function of the respiratory system in multiple activities. In this respiratory system lesson, students build a model of the respiratory system to investigate how the lungs work.
Curated OER
Got Pi
Your students can explore the mathematical concept of Pi with these lesson plans.
Curated OER
The Solar System
Students research the characteristics of planets in our solar system. In this space science lesson, students create a solar system model with each planet arranged according to their distance from the sun. They solve problems using the...
Khan Academy
Khan Academy: Radius and Diameter
Practice problems finding radius and diameter of a circle.
BBC
Bbc: Circumference and Area of a Circle
This is where you can pick up some valuable pointers on how to find the circumference and area of a circle. There is also information on how to find the perimeter and area of a semicircle. When you finish working your way through the...
Khan Academy
Khan Academy: Radius and Diameter
Practice finding the radius and diameter of a circle using both vocabulary and visuals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Better Lesson
Better Lesson: Exploring Circumference
What is pi, anyway? Students explore the relationship between circumference and diameter by measuring a variety of circles and use it to derive the formula for circumference.
AAA Math
Aaa Math: Circumference of a Circle
Calculating the circumference or perimeter of a circle has gotten easier with this formula and practice for finding the circumference.
PBS
Pbs Learning Media: Math + Arts: Circle Designs
In this lesson, students explore circumference and diameter by creating an abstract design with circles. Media resources and teacher materials are included.
Cuemath
Cuemath: Circumference of a Circle
Understand the concept of circumference by learning the definition, circumference geometry definition, circumference equation, and circumference of a circle formula. Check-out the interactive simulation for better understanding and try...
Cuemath
Cuemath: Diameter
Understand the concept of diameter by learning the definition and symbols. Check-out the solved examples for better understanding and try your hand at solving a few interactive questions at the end of the page.
TeachEngineering
Teach Engineering: Let's Take a Slice of Pi
Working as a team, students discover that the value of pi (3.1415926) is a constant and applies to all different sized circles. The team builds a basic robot and programs it to travel in a circular motion. A marker attached to the robot...
OER Commons
Oer Commons: Measuring Circles
Seventh graders will measure the circumference and diameter of round things in the classroom and discover the ratio pi. They will see that the ratio of a circle's circumference to its diameter can be used to solve for the circumference...
CK-12 Foundation
Ck 12: Geometry: Diameter or Radius of a Circle Given Circumference
[Free Registration/Login may be required to access all resource tools.] In this lesson, students find the radius, diameter, and circumference of different circles. Students examine guided notes, review guided practice, watch...