Lesson Plan
Curated OER

Area and Perimeter of Rectangles

For Teachers 3rd - 5th
Discover the difference between area and perimeter. Learners are grouped in twos and threes and each group has one advanced/gifted learner to serve as the peer helper. They receive manipulatives to help them determine the area and...
Worksheet
Curated OER

Area of Squares and Rectangles

For Students 5th - 6th
In this area worksheet, students calculate the area of 3 squares and 3 rectangles. A reference web site is given for additional activities.
Worksheet
Math Mammoth

Finding the Area of Rectangles, Parallelograms, and Triangles

For Students 9th
In this area of polygons activity, 9th graders solve two area of rectangles, one area of parallelogram, and ten area of triangles problems.  The formulas for finding the area of these figures are provided.
Lesson Plan
Curated OER

Flip's Flag

For Teachers 5th
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
Interactive
Curated OER

Triangle Problems-Base, Height, and Area

For Students 10th
In this geometry worksheet, 10th graders find the base, height, or area of a triangle. The one page interactive worksheet contains ten questions. Answers and hints are included. 
Lesson Plan
Curated OER

Measuring the Area of Polygons

For Teachers 4th
Fourth graders use pattern blocks to explore areas of polygons. They explain that the answers to the area of the same polygon vary according to the units of measurement used. They visualize how different units of measurement can be used...
Lesson Plan
Curated OER

Complexity Madness

For Teachers 5th
After introducing the concept and formula for finding the area of a square, try this instructional activity. Fifth graders will use their prior knowledge to break apart various shapes in order to determine area. This instructional...
Lesson Plan
Curated OER

Garden Variety Geometry

For Teachers 9th - Higher Ed
A home improvement plan can help adult learners preparation for the GED exam. They review vocabulary, prepare diagrams, complete a worksheet, calculate perimeters and analyze how to approach a story problem. They identify many geometry...
Lesson Plan
Curated OER

How To Find the Area of a Square And Rectangle

For Teachers 4th - 6th
Learners practice using the formula to calculate the area of a square or triangle. They participate in large group guided practice using simple area of squares problems then complete a series of problems calculating the area of rectangles.
Lesson Plan
Curated OER

Lesson 9-3 Practice A: Composite Figures

For Teachers 8th - 12th
In this composite figures worksheet, students solve twelve short answer problems. Students find the area of figures composed of various polygons given a sketch of the figure with side lengths labeled.
Lesson Plan
Curated OER

Area: Algebra/Geometry Institute Summer 2009

For Teachers 6th - 8th
Young scholars compute the area of a rectangle.  In this area lesson, students measure the sides of rectangles and squares.  They cut figures, measure them, and determine the area of each given figure.  Young scholars...
Lesson Plan
Curated OER

Geometry and Geoboard

For Teachers 6th
Sixth graders use geoboards and dot paper to experiment with geometric concepts. In this geometry lesson plan, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the...
Worksheet
Curated OER

Area of Right Triangles

For Students 8th - 10th
For this are of right triangles worksheet, students read graphs and explore congruent triangles.  They find the area of rectangles and of right triangles.  This one-page worksheet contains explanations, instructions, and 8...
Worksheet
Curated OER

Area of Triangles 1

For Students 10th
In this geometry worksheet, 10th graders solve problems involving area of a triangle.  The worksheet contains a combination of problems drawn on a grid and those with the dimensions labeled.  The two page worksheet contains...
Worksheet
Curated OER

Perimeter, Area, Volume, and Surface Area

For Students 10th
For this geometry learning exercise students solve problems involving perimeter, area, volume, and surface area for various geometric shapes.  The four page learning exercise contains twenty-five problems.  Answers key is...
Lesson Plan
Curated OER

Shapes and Introduction to Geometry

For Teachers 2nd - 4th
Students make a quilt. In this geometry instructional activity, students discuss patchwork quilts and learn some different geometric shapes and patterns that are commonly used. Students explore designs with triangles and squares and then...
Worksheet
Curated OER

Easy Worksheet: Area and Perimeter of Rectangles and Squares

For Students 9th - 12th
In this area and perimeter of rectangles and squares learning exercise, students solve 6 graphing and short answer problems. Students plot four coordinates of a rectangle or square on the coordinate plane. Students find the area or...
Lesson Plan
Curated OER

Volume and Surface Area of Right Rectangular Prisms

For Teachers 6th - 8th
Students identify the formulas for three-dimensional figures. They use manipulatives to model problems. Students create foldables and explain volume and surface area. Students complete worksheets and classify solids. Students sing a...
Worksheet
Math Mammoth

Area- Perimeter- Volume

For Students 7th - 9th
In this geometry worksheet, students use a grid to draw 3 different rectangles that have an area of 20 square units and determine the perimeter of each rectangle. They draw and answer questions related to the relationships and uses of...
Worksheet
Curated OER

Area

For Students 7th - 8th
In this area worksheet, students solve and complete 20 different problems that include the measurement of various figures. First, they determine the area of each of the triangles, parallelograms and trapezoids. Then, students determine...
Lesson Plan
Curated OER

Geoboard Squares

For Teachers 2nd - 3rd
Young scholars create squares of different sizes on a geoboard. They find and describe a pattern. Students use the pattern to determine the number of squares possible on a 10-by-10 geoboard. They create squares with a horizontal base...
Worksheet
Curated OER

Perimeter, Area, and Volume

For Students 10th
In this geometry worksheet, 10th graders determine the perimeter, area, or volume of the indicated figure.  The five page worksheet contains a combination of twenty-two multiple choice and free response questions.  Solutions...
Worksheet
Curated OER

Surface Area of Solids

For Students 10th
In this geometry worksheet, 10th graders calculate the surface area of solids given the sides or radius. There are 20 questions with an answer key.
Worksheet
Curated OER

Area of Polygons

For Students 10th
In this geometry activity, 10th graders determine the area of regular polygons.  The two page activity contains eight problems.  Answers provided.