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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,...
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Worksheet
Curated OER

Expressions and Operations

For Students 7th - 8th
In this expressions and operations learning exercise, 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 its...
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Lesson Plan
Curated OER

The Circumference of a Pumpkin

For Teachers 5th - 6th
Students complete a pumpkin circumference activity. In this pumpkin circumference lesson, students make a raw estimate and use a string to measure the circumference of a pumpkin. Students also define the term circumference.
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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...
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PPT
Curated OER

Academic Vocabulary: Sports Challenge

For Teachers 2nd - 3rd
This PowerPoint enables students to review mathematical terms in an interactive review game format. The slides contain a question about a mathematical term and the students must answer with the correct vocabulary word in order to get...
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Lesson Plan
Curated OER

Around the World

For Teachers 6th - 8th
Students find the circumference of various round objects.  In this finding the circumference of various round objects lesson, students find the circumference of the Earth.  Students find the circumference of trees, tires, and...
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Lesson Plan
Curated OER

Length of an Arc

For Teachers 11th - 12th
Students compute the length of an arc and each hypotenuse in the give figure, adding them up in the end. They then develop the formula for the arc length with respect to the x-axis and the y-axis. Students also develop a formula for the...
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Worksheet
Curated OER

Calculate the Radius

For Students 6th - 12th
In this radius worksheet, students calculate the radius of a circle when the area is given to them. Students complete 5 problems total.
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Worksheet
Curated OER

Discovering Pi

For Students 4th - 6th
In this discovering Pi worksheet, students read about finding Pi, then find diameter and circumference of circles. Text page numbers are referenced, but no text name is given.
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Assessment
Bowland

Sports Bag

For Teachers 6th - 8th Standards
Lay it out using the least amount of material. Learners use the dimensions of a cylindrical sports bag to find out the size of pieces of material needed to sew them. The pupils find the best placement of the pieces to use the least...
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Lesson Plan
Curated OER

Discovering Pi

For Teachers 6th
Sixth graders discover Pi.  In this discovering Pi lesson, 6th graders measure the diameter and circumference of various circular objects.  Students record their measurements in a table.  Students discuss how Pi relates to...
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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...
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Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 5th - 6th
Pupils measure the circumference of a cylinder. In this cylinder lesson plan, students use round container lids and flexible rectangles to measure the circumference of the cylinder. They put the shapes together to make their own...
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Lesson Plan
Curated OER

Geometry in Nature

For Teachers 6th - 7th
Learners examine how the circumference, diameter, and the relationship of Pi of a circle are related. They count the summer rings of a tree to determine its growth.
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Lesson Plan
Curated OER

Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume

For Teachers 9th - Higher Ed
Students explore perimeter, volume, and area. In this math lesson plan, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Students investigate the results when the...
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Lesson Plan
Curated OER

Understanding Pi.

For Teachers 8th - 9th
Students study the relationship between circumference and diameter to come up with Pi. "In this pi instructional activity, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation...
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Lesson Plan
Curated OER

Don't Burst My Bubble

For Teachers 6th - 8th
Students practice using measuring techniques by examining bubbles.  In this geometry lesson, students utilize mathematic formulas to discover the circumference and diameter of soap bubbles they blow.  Students practice creating...
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Worksheet
Curated OER

Absolute Value Inequalities

For Students 9th
In this absolute value worksheet, 9th graders solve 10 different problems that are related to inequalities of numbers. First, they determine the absolute value of each of the inequality equations shown. Then, students write and solve an...
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Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area worksheet, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This...
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Lesson Plan
Curated OER

Pi

For Teachers 6th
Sixth graders read the book "Sir Cumference and Knights of the Round Table" to introduce them to the concept of Pi. As a class, they discover where Pi originated and define the terms circumference, radius and diameter. To end the...
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Lesson Plan
Curated OER

Perimeter and Area of Similar Figures

For Teachers 9th - 12th
Students determine the relationship between perimeter, circumference, area, surface area, and/or volume of similar figures and their parts. They complete activities related to the question. Answer key included.
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Worksheet
Curated OER

Solving Problems

For Students 10th - 12th
In this solving problems worksheet, students determine the area of a rectangle inscribed in a circle. They estimate distance between given planets. This two-page worksheet contains 2 multi-step problems.
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Lesson Plan
Curated OER

Radius, Diameter and Area

For Teachers 8th - 9th
Students identify the radius and diameter of a circle. In this geometry lesson, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.
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Lesson Plan
Curated OER

Shape and Space: Circles

For Teachers 6th - 8th
Students create isosceles triangles.  In this triangles lesson, students participate in a quick fire exercise with combinations of numbers totaling 180.  Students complete a worksheet with several problems.