Math Mammoth
Finding the Area of Rectangles, Parallelograms, and Triangles
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.
Curated OER
Flip's Flag
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...
Curated OER
Triangle Problems-Base, Height, and Area
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.
Curated OER
Measuring the Area of Polygons
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...
Curated OER
Complexity Madness
After introducing the concept and formula for finding the area of a square, try this lesson. Fifth graders will use their prior knowledge to break apart various shapes in order to determine area. This lesson includes several examples,...
Curated OER
Garden Variety Geometry
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...
Curated OER
How To Find the Area of a Square And Rectangle
Students 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.
Curated OER
Lesson 9-3 Practice A: Composite Figures
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.
Curated OER
Area: Algebra/Geometry Institute Summer 2009
Students 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. Students justify their answers.
Curated OER
Investigating Area Relationships
Learners investigate the area of various figures. They construct triangles and quadrilaterals using Cabri Jr. and discuss the relationships between different angles, side lengths, and figures.
Curated OER
Geometry and Geoboard
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...
Curated OER
Area of Right Triangles
In 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 problems.
Curated OER
Area of Triangles 1
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 eighteen...
Curated OER
Perimeter, Area, Volume, and Surface Area
For this geometry worksheet students solve problems involving perimeter, area, volume, and surface area for various geometric shapes. The four page worksheet contains twenty-five problems. Answers key is provided.
Curated OER
Shapes and Introduction to Geometry
Students make a quilt. In this geometry 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 make their...
Curated OER
Easy Worksheet: Area and Perimeter of Rectangles and Squares
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...
Curated OER
Volume and Surface Area of Right Rectangular Prisms
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...
Math Mammoth
Area- Perimeter- Volume
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...
Curated OER
Area
In this area learning exercise, 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...
Curated OER
Geoboard Squares
Students 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 (and...
Curated OER
Surface Area of Solids
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.
Curated OER
Perimeter, Area, and Volume
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 and rubrics...
Curated OER
Area of Polygons
In this geometry worksheet, 10th graders determine the area of regular polygons. The two page worksheet contains eight problems. Answers provided.
Curated OER
Areas by Dissection
In this areas by dissection worksheet, students find the area of given composite figures. This three-page worksheet contains examples, explanations, and 16 problems. Answers are provided on page three.