Concord Consortium
Rectangulating
Use rectangles to find distances. Given a rectangle and three associated triangles, pupils determine the area of the triangles. Scholars know the three triangles have equal areas along with the perimeter of the rectangle and two other...
Mathed Up!
Area of Sector and Length of Arcs
Viewers learn how to apply proportional reasoning to find area of sectors and arc lengths with a video that starts off explaining how to find the areas of circle sectors and the lengths of arcs. Scholars then practice solving problems...
Curated OER
Mensuration: Area
In this area worksheet, students read story problems, draw diagrams, and find the area of described polygons. This eight page worksheet contains six problems. Answers are provided.
Curated OER
Study Buddies: Perimeter
In this math worksheet, students will work with a coach to solve a story problem in which they must find the perimeter of two gardens. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Right Triangles
In this right triangles worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students find the perimeter and area of the regular...
Curated OER
Parallelogram Problems
In this online math worksheet, students solve a variety of geometry problems which utilize parallelograms. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Infinite Geometric Series
In this infinite geometric series instructional activity, 11th graders solve and complete 33 various types of problems. First, they find the sum of the infinite geometric series for each of the given. Then, students find the range of...
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Linear Graphs and Equations 5.1
In these identifying coordinates on a grid, linear graphs, and equations worksheets, 6th graders draw the shapes and letter, complete a table and use it to draw a graph, calculate gradients of lines, determine equations of lines, solve...
Curated OER
Perimeter of Scalene Triangle
For this geometry worksheet, 10th graders find the perimeter of scalene triangles, or triangles where the 3 sides are different lengths. There are 6 questions with an answer key.
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Four Rectangle Perimeter Problems
In this perimeter worksheet, students find the perimeter of four rectangles. Explanations, examples, and solutions are provided.
Curated OER
Area and Perimeter of Rectangles Worksheets (I)
In this online math worksheet, students find the area and perimeter of rectangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Curated OER
Find the Perimeter
In this perimeter worksheet, students use grid paper to make as many shapes as possible using given perimeters, 4 total. Answers included on page 2.
Curated OER
Find the Side of the Square
In this square worksheet, middle schoolers find the length of one side of a square when given the perimeter. This two-page worksheet contains 5 problems. Answers are provided on the last page.
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Perimeter of a Circle Worksheet
In this perimeter of circles worksheet, students find the perimeter of 6 circles given a diameter. Students find the perimeter in terms of Pi.
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Area and Perimeter of Various Shapes (H)
In this area and perimeter activity, students find the area and perimeter of various shapes with numbers containing decimals. Students complete 6 problems.
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Area and Perimeter of Compound Shapes (F)
In this area and perimeter worksheet, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Area and Perimeter of Compound Shapes (H)
In this area and perimeter worksheet, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Area and Perimeter of Compound Shapes (I)
In this area and perimeter instructional activity, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Area and Perimeter of Compound Shapes (A)
In this area and perimeter worksheet, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Perimeter of Squares Worksheet
In this perimeter of squares worksheet, students find the perimeter of given shapes. This one-page worksheet contains 6 problems. Answers are provided on the last page.
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Perimeter of Circle Worksheet
For this perimeter worksheet, students find the perimeter of a circle. This two-page worksheet contains 4 problems. Answers are provided on the last page.
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Area and Perimeter of Trapezoids (A)
In this area and perimeter worksheet, students find the area and perimeter of trapezoids containing numbers with decimals. Students complete 6 problems.
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Area and Perimeter of Rectangles
In this area and perimeter worksheet, students find the area and perimeter of rectangles whose sides are three digit numbers with decimals. Students complete 6 problems.
Curated OER
Using Centimeters to Measure the Perimeter of Triangles
For this using centimeters to measure the perimeter of triangles worksheet, 2nd graders measure 6 triangles with a centimeter ruler and write the equation used to find the perimeter.