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Investigating Scale Factors with the Geometer's Sketchpad

For Teachers 7th - 12th
Students use Geometer's Sketchpad to examine the scale factor when in is applied to the length of a figure's sides. They look at how the scale factor affects the side lengths, perimeter, and area of the figure that result. They work with...
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Arrange the Classroom (Part 1 of 3)

For Teachers 5th
Fifth graders arrange the classroom using all the moveable objects and through the exploration of area and perimeter. They determine the area of the classroom, create and label model pieces of furniture using graph paper, and create a...
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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...
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The Quadrilateral Family

For Students 10th
In this quadrilaterals worksheet, 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 determine the...
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Mid-Segment of a Triangle

For Students 10th - 11th
For 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.
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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.
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Complex Figures

For Students 4th - 6th
In this complex figure worksheet, students find the length, height, perimeter, and surface area of the complex figure. Students complete 4 problems.
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Fencing Your Backyard

For Teachers 8th - 10th
Students use geosketch ro create a fence. In this geometry lesson, students identify the amount of material and area needed to create a fence. They calculate the perimeter and surface area of their fence.
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House Floor Plans

For Teachers 6th
Sixth graders investigate the mathematical concept of area. They are given a certain square footage and asked to draw the initial floorplan for a house. Students use computers to create the plan. To finish the drawing it must include the...
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Accuracy of Measurements

For Students 7th - 8th
For 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...
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Circles: Circumference and Area

For Students 8th - 11th
For this circle worksheet, students calculate the circumference and area of given circles. They determine the perimeter of a shaded area, and give explanations to support problems. This two-page worksheet contains 3 multi-step problems.
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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...
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Triangles

For Students 10th
In this triangles worksheet, 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...
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Cafeteria Mayhem

For Teachers 9th - 12th
High schoolers design a cafeteria floor plan. For this area and perimeter lesson, groups create an efficient lunchroom layout on poster board by using geometric shapes and formulas as the basis for their designs. In the accompanying...
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Unit 7: Mensuration Mental Tests

For Students 6th - 8th
In this mental math worksheet, students calculate area, volume, perimeter, and convert units in two mental math tests of ten problems each. 
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Simple Formulae and using Formulae

For Students 4th - 5th
For this formulae worksheet, students review how to find an expression for the perimeter of a shape, then find expressions for perimeter of 2 given triangles.
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4th Grade Math Geometry Practice

For Teachers 4th - 5th
In this 4th grade geometry worksheet, students complete a set of 20 questions related to grade 4 geometry concepts. An answer key is included. 
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Measuring to the Nearest Inch

For Teachers 3rd
Third graders use whole numbers and fractions to make connections between abstractions of the mathematical world and the real world. In this fractions and measurement lesson, 3rd graders identify, quantify groups , and measure distances....
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Perimeter and Area 8

For Teachers 5th - 7th
In this calculating area worksheet, students use their problem solving skills and the information provided to find the area of 6 triangles.
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Perimetr of Isosceles Triangle

For Students 9th - 10th
In this geometry worksheet, students calculate the perimeter of isosceles triangles given the sides of the triangles. There are 6 questions with an answer key.
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Verbal and Algebraic Expressions

For Students 8th - 9th
In this expressions worksheet, students solve and complete 30 various types of problems that include defining both verbal and algebraic expressions. First, they translate each verbal expression into an algebraic expression and vice...
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Multiply Fractions

For Students 5th - 8th
Elementary and middle schoolers complete 29 multiplication problems that have fractions and mixed...
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Try It Twice

For Students 2nd
In this rectangles worksheet, 2nd graders draw two different rectangles with a perimeter of 10 units and two with a perimeter of 12 centimeters.
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Applying Geometry

For Students 6th - 12th
In this angles, area, and perimeter worksheet, students find different angles, area, and perimeter of different shapes. Students complete 8 problems total.

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