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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
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Can You Measure This?

For Teachers 5th
Fifth graders design their own house, while also using problem-solving skills involving perimeter and area. They exchange houses with a partner and find the perimeter and area of the window, doors, and front side of the house.
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Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...
Worksheet
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Mid-Segment of a Triangle

For Students 10th - 11th
In this triangle worksheet, students examine triangle diagrams. They determine the perimeter, length of a line, midpoint of a line, and angle measurement from given information. This one-page worksheet contains ten problems.
Worksheet
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Using Formulas

For Students 10th
In this using formulas worksheet, 10th graders solve 12 different problems that are related to applying various formulas to find measurements. First, they determine the perimeter and area of each given rectangle. Then, students find the...
Worksheet
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The Quadrilateral Family

For Students 10th
In this quadrilaterals learning exercise, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students...
Worksheet
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Area and Periemeter

For Students 10th
For this geometry worksheet, 10th graders determine the area and perimeters of various quadrilaterals and triangles.  The one page worksheet contains ten problems.  Answers are not provided. 
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The Greedy Triangle

For Teachers 3rd
Third graders use the book "The Greedy Triangle" to practice measuring perimeter and area. They also calculate the length of objects.
Unit Plan
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Fencing a Garden

For Teachers 4th - 6th
Students use their knowledge of area and perimeter to design a fictitious garden fence. In this area and perimeter lesson, students design a garden fence with a set perimeter. They are given the cost per foot of the fence, and determine...
Lesson Plan
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Who Let the Dogs Out?

For Teachers 8th - 10th
Students calculate the perimeter and area of polygons. In this geometry instructional activity, students apply formulas of perimeter to solve geometric problems. They calculate the area of a dog fence and create ways to keep the dog in...
Lesson Plan
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Picket Fence Around the Garden

For Teachers 3rd - 4th
Students design different shaped plots and determine the perimeter, area and shape of each. They compare the shapes that have the same area but may have different perimeters.
Worksheet
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Equation of a Line

For Students 9th
In this equation of a line worksheet, 9th graders solve and complete 7 different problems. First, they find all values of the constant k, if the line contains the given points. Then, students write an equation of the line which passes...
Worksheet
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Triangles

For Students 10th
In this triangles activity, 10th graders solve and complete 2 different problems. First, they find the perimeter of each triangle as described. Then, students find the slope of each side and altitude to each side of the triangles. In...
Lesson Plan
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How Big Is It?

For Teachers 5th
Fifth graders look at the Garrison flag and estimate how big it is. In this measurement lesson plan, 5th graders then calculate the area and perimeter of the flag.
Worksheet
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Area

For Students 10th
In this area worksheet, 10th graders solve 7 various types of problems by finding the area of various shapes in geometry. First, they determine what happens to the area and perimeter of a rectangle when the length and width are doubled....
Worksheet
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Multiplying a Polynomial by a Monomial

For Students 9th - 11th
In this multiplying polynomials worksheet, students solve and complete 13 different problems that include monomials. First, they use the distributive property to multiply a polynomial by a monomial. Then, students find each product and...
Lesson Plan
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Speedy Area

For Teachers 8th - 10th
Learners calculate the speed, rate and distance. In this geometry lesson, students calculate the area and perimeter of polygons. They perform an activity with a CEENBoT and calculate the distance and speed.
Worksheet
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Accuracy of Measurements

For Students 7th - 8th
In this accuracy of measurements worksheet, students solve and complete 3 different types of word problems. First, they find the largest area of pitch in the problem described. Then, students write down an inequality to show the range of...
Worksheet
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Special Right Triangles

For Students 10th
For this special right triangles worksheet, 10th graders solve 7 various problems with various types of right triangles. First, they identify the two special types of right triangles, the 45-45-90 degree triangle and the 30-60-90 right...
Worksheet
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Coordinates on a Plane

For Students 9th
In this coordinates on a plane worksheet, 9th graders solve and complete 9 different types of problems. First, they graph the given coordinates and respond to a number of questions. Then, students find the midpoint and the length of the...
Worksheet
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Chapter 8 Worksheet 1: Polygons & Angles

For Students 10th - 12th
In this polygon worksheet, learners find the sum of the interior angles of a polygon. They determine the perimeter of equilateral figures, identify concave and convex figures and explore the characteristics of equilateral, equiangular...
Worksheet
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Adding and Subtracting Polynomials

For Students 9th
In this polynomials worksheet, 9th graders solve and complete 17 different problems that include adding and subtracting various polynomials. First, they determine the sum or difference of each equation listed, combining like terms when...
Worksheet
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Geometry - Complex Figure

For Students 4th
In this geometry worksheet, 4th graders work with a complex figure. They calculate the length of one line in the figure, find the perimeter, the length of another side, and the surface area of the figure.
Worksheet
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How Much Do I Need to Buy?

For Students 4th - 5th
In this perimeter worksheet, students solve five problems in which they calculate how much floor molding they need to buy for a living room. Students use the provided grid to draw the plan.

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