Curated OER
Lab Activity: Model of the Planets
This worksheet leads the class through the calculations needed to construct circles to represent the planets of our Solar System. The actual values are provided, as are suggested calculations to create the scale diameters. The ten...
MENSA Education & Research Foundation
Pi Day Fun!
In this multi-faceted introduction to pi, participants perform a bevy of pi-related activities. Ranging from measuring household items to singing pi songs and reading pi stories, this fun and non-intimidating resource serves to bring up...
Willow Tree
Area of Common Geometric Figures
Scholars can use area formulas, but can they apply what they know about area? The lesson challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and other...
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Discovering pi
Tenth graders investigate the history of Pi and how it relates to circles. In this geometry lesson, 10th graders measure the circumference of a circle and the diameter of a circle. They relate these measurements to the number of Pi or 3.14
Curated OER
An Introduction to Pi and the Area of a Circle
Learners explore measurements of a circle. In this lesson about circumference and radius, students practice calculating measurements of a circle. Learners estimate, calculate, and practice with graphing all while learning how to find...
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Parts of a Circle
Sixth graders use yarn, paper plate, and other materials to identify parts of a circle. In this parts of a circle lesson plan, 6th graders identify the circumference, radius, diameter, and other parts of a circle.
Curated OER
Circles
In this geometry worksheet, 10th graders determine the circumference and area of a circle given either the diameter or the radius. The one page interactive worksheet contains ten questions. Answers and hints are included.
Curated OER
Circles and Pi
Students identify the relationship between the radius and Pi. For this geometry lesson, students calculate the circumference and area of a circle. They create visuals to help them see how the circumference relates to Pi.
Curated OER
Geometry of Circles - Week 7 (Area & Circumference)
In this circle worksheet, young scholars solve problems involving the circumference, area and arc length in a circle. They explore the union of circles and semicircles, as well as the line segments tangent to the circle. This two-page...
Curated OER
Geometry of Circles: Week 7
In this circle worksheet, students determine the number of degrees in a minor arc, find the area of a circle, find the area of a shaded region. This two-page worksheet contains six problems.
Curated OER
Circle Drill
For this math facts worksheet, students read about using the circle drill chart to practice addition facts, multiplication facts, and subtraction facts. Student use the blank chart to practice the skill.
Curated OER
Formulas Homework
In this circle formulas worksheet, students solve 20 fill in the blank problems. Students find the radius, diameter, circumference, area, arc length, and sector area of a circle.
Curated OER
Tangents, Secants, and Chords
In this tangents, secants and chords worksheet, 10th graders identify and solve 48 different problems that include using 3 different theorems for defining circles. First, they determine the area of each circle with C as the center and a...
Curated OER
Circles
In this geometry worksheet, students 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.
Curated OER
Search for the Missing Pi
Third graders work in groups of two to three with measuring tapes, finding the circumference and diameter of teacher-selected circular items. They relate circumference and diameter measurements to find pi.
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Tangent Lines
In this tangent lines instructional activity, 10th graders solve and complete 13 various types of problems. First, they solve the right triangles for the variables shown. Then, students name a radius, a diameter, a tangent, a secant, a...
Curated OER
3D Shapes
In this 3D shapes instructional activity, 10th graders solve and complete 5 various types of problems. First, they find the area of the logo item shown. Then, students find the height of a cuboid given its length and width. In addition,...
Curated OER
Phenomenological Pizza
Students explore measurement in terms of pizza toppings. In this math lesson plan, students draw a circle using string and a ruler, determine areas of different size circles, find how many two topping pizzas can be made using 14...
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Cylinders
In this online worksheet, students use pie to calculate the area and volume to the nearest tenth. The radius, diameter, and or height are provided.
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Spheres Homework
In this spheres worksheet, students determine the volume and area of spheres when given the diameter or radius. This one-page worksheet contains 10 multi-step problems.
Curated OER
Labs from YSI 95: Telescopes
Students build a telescope and give quantification of its magnification and field of view while making observations regarding images. In this telescope lesson plan, students use a simple lens to project a scene and examine various...
Curated OER
The Outer Planets
In this planets activity, students research the diameters and sizes of the planets. Then student will create scale model sizes of the planets out of cookie dough. Students complete 5 short answer questions.
Curated OER
Details from an Exploding Star
In this nebula worksheet, students read about the Crab Nebula and calculate the average speed of the expanding gas. They determine the size of the smallest clumps of gas and they draw the diameter of the solar system to scale.
Curated OER
LRO's First Image of Mare Nubium
In this scale image worksheet, students use an image taken by the LRO satellite of Mare Nubium to determine the scale of the image, the diameter of the smallest crater and a comparison scale drawing of a house.
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