Lesson Plan
Curated OER

Can You Canula?

For Teachers 8th - 9th
Learners calculate the circumference of a circle. In this geometry lesson, students measure the diameter of a circle using micrometers or calipers. They investigate the relationship of the diameter to that of the value of Pi.
Worksheet
Curated OER

Expressions and Operations

For Students 7th - 8th
In this expressions and operations instructional activity, students solve and complete 5 different problems that include identifying expressions and using the order of operations. First, they determine the value of a given expression and...
Worksheet
Curated OER

Expressions and Operations

For Students 8th - 9th
In this expressions and operations worksheet, students solve and complete 5 different problems that include reading and solving each individual question. First, they determine the value of each equation given the variables. Then,...
Lesson Plan
Curated OER

Properties of Arcs, Lengths and Chords

For Teachers 9th - 11th
Students differentiate between the different properties of arcs, arc lengths, chords, and chord lengths. In this circles lesson, students calculate the arc length of a given circle, and find the measure of the inscribed angles of a...
Lesson Plan
Curated OER

"Slice of Pi with Neo-Excel"

For Teachers 6th - 8th
Learners explore diameter, radius, and circumference. They define radius, diameter, and circumference on an online dictionary, identify objects in the room with a radius and a diameter, and calculate the radius and diameter of various...
Lesson Plan
Curated OER

Math and Circumference

For Teachers 6th
Sixth graders explore geometry by utilizing mathematical formulas. In this circumference lesson, 6th graders identify the difference between diameter, circumference and radius in a circle. Students review the formulas for finding...
Lesson Plan
Curated OER

Circumference and Area of a Circle

For Teachers 10th - 11th
Young scholars investigate the area and circumference of a circle. In this geometry lesson, students estimate and measure the radius, diameter and circumference of a circle. This assignment has an online part that is interactive.
Lesson Plan
Curated OER

Covering and Surrounding

For Teachers 5th - 6th
Students develop techniques for estimating the area of a circle and use ideas about area and perimeter to solve practical problems. For this area and perimeter lesson, students apply the concepts of perimeter and area to the solution of...
Lesson Plan
Curated OER

Sir Cumference and the Dragon Pi

For Teachers 6th - 8th Standards
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
Lesson Plan
Curated OER

An Introduction to Pi and the Area of a Circle

For Teachers 5th - 7th
Young scholars explore measurements of a circle. In this lesson about circumference and radius, students practice calculating measurements of a circle. Young scholars estimate, calculate, and practice with graphing all while learning...
Lesson Plan
Curated OER

Discovering The Ratio Pi And The Diameter

For Teachers 9th - 10th
Students relate the ratio of Pi to the diameter of a circle. For this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...
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.
Printables
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Houghton Mifflin Harcourt

Unit 7 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Thirty-eight flashcards make up a set designed to reinforce math vocabulary. Two types of cards can be found here; a word card in bold lettering, and a corresponding definition card that offers a labeled example. Terms include area,...
Printables
Virginia Department of Education

Middle School Mathematics Vocabulary Word Wall Cards

For Teachers 5th - 9th
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Lesson Plan
Curated OER

Approximating Pi

For Teachers 7th - 10th
Learners approximate Pi using the lower and upper bound for the constant. In this algebra lesson, students work in groups of two to graph a circle and approximate Pi using the circumference. They repeat their estimation until they come...
Lesson Planet Article
Curated OER

Got Pi

For Teachers 5th - 12th
Your students can explore the mathematical concept of Pi with these lesson plans.
Lesson Plan
Curated OER

Pi Mathematics

For Teachers 7th - 8th
Students will measure common everyday objects in order to calculate pi. In this measurement lesson plan, students measure the circumference and diameters of objects and fill them into a chart which helps them calculate pi.
Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 8th - 10th
Students find the circumference and diameter of several circles and calculate the surface area of cylinders. In this surface area of a cylinder lesson plan, students use rectangles and lids to make several cylinders. They calculate the...
Printables
1
1
Houghton Mifflin Harcourt

Unit 6 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Acute angles, nets, and vertices are only a few terms that a set of flash cards includes. Among the 108 cards, two types are available; word cards printed in bold-faced lettering, and corresponding definition cards equipped with an...
Worksheet
Curated OER

Circles

For Students 9th - 10th
In this geometry worksheet, learners solve problems by finding the diameter, radius and chord of a circle. They also solve for the area of the circle. There are 10 questions with an answer key.
Lesson Plan
Curated OER

Investigation of Pot Sherds

For Teachers 4th
Fourth graders review their prior knowledge on the concept of pi. Using broken pieces of pottery, they calculate the circumference from a section of the circle. In teams, they compete against one another to get the most accurate...
Lesson Plan
Curated OER

THE AREA OF A CIRCLE

For Teachers 7th - 12th
Students examine the relationship between circumference and diameter and how to use the formula to find the area of a circle.  In this circle lesson students divide into groups and complete an activity. 
Worksheet
Curated OER

Math Practice: Circles

For Students 4th - 6th
In this circle worksheet, students solve 8 problems: finding percentage increase, finding differences in area and perimeter, finding circumference and area.
Lesson Plan
Curated OER

Discovering Pi

For Teachers 4th - 11th
Students investigate the math concept of Pi (specifically, what pi is, the significance and how it is used in the real world). This is a hands on activity in which the students actively participate with their investigations. The...