Curated OER
Expressions and Operations
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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Expressions and Operations
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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The Circumference of a Pumpkin
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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Properties of Arcs, Lengths and Chords
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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Academic Vocabulary: Sports Challenge
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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Around the World
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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Length of an Arc
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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Calculate the Radius
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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Discovering Pi
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.
Bowland
Sports Bag
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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Discovering Pi
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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Covering and Surrounding
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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The Surface Area of a Cylinder
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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Geometry in Nature
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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Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume
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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Understanding Pi.
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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Don't Burst My Bubble
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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Absolute Value Inequalities
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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Chapter 6: Geometry Perimeter and Area
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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Pi
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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Perimeter and Area of Similar Figures
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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Solving Problems
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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Radius, Diameter and Area
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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Shape and Space: Circles
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.