Curated OER
THE AREA OF A CIRCLE
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.
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Area of Solids
Students find the area of rectangular solids and cylinders by cutting them into flat pieces and adding the areas.
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Karen's Tiles
Learners investigate how perimeter changes as area changes to see the relation between area and perimeter for similar shapes. They then students answer the question if the area of the rectangle increase, does its perimeter have to increase?
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Moving On: Octagoning the Circle
Students explore circles through the use of octagons. They inscribe a circle in a regular octagon and find the area and perimeter of the hexagon with respect to the radius of the circle. Students present their findings to the class.
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Cube Models
Sixth graders are introduced to the concepts of area and volume. In groups, they work together to build models of square centimeters in which they are given no instructions. To end the lesson, they record the dimensions of each model...
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Topics in Math
In this consumer mathematics worksheet, students explore a variety of topics in mathematics including simple interest, perimeter, area, volume, translating words into symbols, percentage problems and mortgage calculations. The fourteen...
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Fashion Day
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
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Measurement
Seventh graders measure surface area. In this geometry lesson, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes. Students use graph paper to trace...
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State Internet Search: A Mathematical Introduction To State Reports
Students locate the population and square mileage of at least one state. Using this information students graph the population and the area of the 50 states individually and as a class, then analyze the information.
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Worksheet 34 - Fall 1995
In this math worksheet, learners sketch the finite area whose boundary is composed of pieces of the curves x =1− y 4 and x = y2 − 1.
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Ten Multiple-Choice Circle Problems
In this circle instructional activity, students solve ten multiple-choice questions concerned with the area, radius, diameter, and circumference of a circle. The solutions are provided by clicking on the "show answers" button on the...
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The Geometry of Means
In this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...
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Woodland Math Facts
In this Woodland math facts worksheet, learners study and examine woodland weights of trees and shrubs, explore invertebrates and draw a bar chart to chart their findings.
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Area of Polygons
In this geometry worksheet, students analyze the different properties of parallelograms related to their angles, sides and diagonals. There are 5 problems with an answer key.
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One Square Meter
Students examine various ecosystems using scientific inquiry. Using the local area, they assess the characteristics and conditions in one square meter. They report their findings in the form of a survey map and data sheet. They...
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"Polly"gon Pockets
Explore polygons with your elementary learners. Divide the class in 12 to configure the polygon puzzle before them. They list the attributes of each type of polygon they see, and if there's time, they jump on the interactive website...
Math Stars
Math Stars: a Problem-Solving Newsletter Grade 7
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
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Countdown Challenge: Tangrams
For this tangram worksheet, students find the area of each tangram shape. Afterwards, they name each piece and find the area of combined figures. This one-page worksheet contains approximately 25 problems.
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Does Sunlight Effect Leaf Size?
Students make estimates and then measure leaves for accuracy. They calculate the area of the leaves by drawing an outline on graph paper and counting the squares. They compare the leaves exposed to sunlight to those that are in constant...
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Multiplying Binomials
In this multiplying binomials worksheet, 9th graders solve and complete 23 different types of problems. First, they use the Distributive Property to find each product. Then, students use the FOIL method to find each product. They also...
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Geometry Practice: Loci and Transformations
This resource guides young geometers to create new polygons from others of equal area, compare an image to its reflection and find errors, conduct repeated reflections, map translations, and determine center of rotation. No solutions are...
Alabama Learning Exchange
Polygon Perimeters
What are polygons? Learners find the perimeter of various geometric figures that the teacher has drawn in chalk on the sidewalk. A worksheet to record their measurements is provided. Get your third graders outside and exploring the world...
Illustrative Mathematics
Shape Hunt Part 1
The hunt is on! Send young mathematicians on a search for shapes in the first lesson of this two-part series. Each time a child finds a hidden shape, he draws it on his paper, and continues searching for the rest. Perform this activity...
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Measurement: Measuring Hand and Feet
Here is a good lesson which invites learners to practice measurement using standard and nonstandard measuring tools. In this measurement lesson, learners work with length, width, height, and area. They use standard and nonstandard...