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Lesson Plan
Curated OER

Area and Volume

For Teachers 6th - 8th
Use this geometry review worksheet to have learners complete nine problems involving transformations, area, volume, and unit conversions. They answer one multiple choice question on estimating lengths.
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Worksheet
Curated OER

Perimeter and Area

For Students 3rd - 8th
Use this perimeter and area worksheet to have learners find the perimeter and area of shapes with right angles. They complete a total of nine problems.
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Lesson Plan
Curated OER

Measure: Perimeter, Area and Volume

For Teachers 4th - 6th
Students practice measuring with formulas. In this measurement lesson plan, students complete an activity that requires them to calculate perimeter, area, and volume.
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Lesson Plan
Curated OER

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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Worksheet
Helping with Math

Geometry: Areas of Triangles

For Students 7th - 9th Standards
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
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Worksheet
Math Mammoth

Area Problems/ Triangles

For Students 6th - 8th
In this math activity, middle schoolers find the area of each triangle that is described in the word problem. They calculate the area through using the formula of 1/2 Base X Height.
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Instructional Video6:29
Corbett Maths

Pythagoras Rectangles and Isosceles Triangles

For Students 7th - 12th Standards
When does the Pythagorean Theorem come in handy? An intriguing video uses the Pythagorean Theorem to solve problems other than simply finding the length of a side of a right triangle. Pupils find the diagonal of a rectangle and the...
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Instructional Video14:56
Corbett Maths

Area under a Graph

For Students 8th - 12th Standards
What? The calculation of area is a linear distance? A short video shows how to use the areas of simple polygons to estimate the area under a graph. Pupils divide the area under a curve into figures to easier calculate the area. Given...
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Worksheet
Curated OER

Surface Area's

For Students 6th - 7th
Use this area worksheet to help learners find the surface area of the triangle and the trapezoid. Pupils use the given formulas to help them find the area.
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Lesson Plan
Curated OER

Geometry of Triangles - Week 6

For Teachers 10th - 12th
In this triangle worksheet, students explore the characteristics of triangles. They find the area of a pentagon, lengths of the sides of a triangle and the area of a quadrilateral. This two-page worksheet contains seven problems.
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Lesson Plan
Curated OER

Nets And Surface Area

For Teachers 4th - 6th
Upper graders investigate how to find the surface area when using two-dimensional shapes. They conduct an investigation in groups while working sample problems given during class discussion with the teacher. They also review how to...
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Lesson Plan
Curated OER

Investigation Area of Geometric Shapes

For Teachers 4th
Fourth graders use triangle paper to design patterns using geometric figures and find the areas of those figures by counting units. Students are assessed by determining which figure has the greatest area and explaining their reasoning.
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Lesson Plan
Curated OER

Perimeter & Area Worksheet I

For Teachers 7th - 8th
In this perimeter and area worksheet, young scholars find the perimeter and area of regular polygons. They identify the perimeter and area of polygons such as triangles, trapezoids, circles, rectangles, and parallelograms. Students write...
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Lesson Plan
Curated OER

Perimeter and Area Worksheet II

For Teachers 7th - 8th
In this perimeter and area worksheet, students find the perimeter and area of polygons. They use the proper formula to find the perimeter and area of circles, parallelograms, triangles, and rectangles. Students complete solve ten problems.
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Worksheet
Curated OER

Geometric Shapes: Area and Perimeter

For Students 5th - 8th
There's a reason this worksheet is done in groups! Tricky word problems give geometry scholars a challenge as they use prior knowledge about shapes to find the area and perimeter given a few measurements. Students will enjoy discovering...
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Lesson Plan
Curated OER

Area of Polygons

For Teachers 9th - 11th
Learners engage in a lesson that is about the concept of polygons and focuses upon finding the area. They use formulas provided in the lesson in order to solve problems given by the teacher for independent practice. Geometric figures are...
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Worksheet
Curated OER

Countdown Challenge: Area of Basic Shapes

For Students 7th - 8th
In this basic shapes worksheet, students use formulas to determine the area of given figures. They compute the area of composite figures and subtract the area of shaded areas. This one-page worksheet contains 12 problems.
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Lesson Plan
Curated OER

Finding Perimeter and Area

For Teachers 3rd - 5th
Geometers find the perimeter and area of rectangles. They discuss the definitions and characteristics of rectangles and squares. In groups, they use yarn to discover the perimeter of squares and rectangles. They count cubes to explore...
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Lesson Plan
Curated OER

Worksheet 17 - Area

For Teachers 8th - 11th
In this area worksheet students read story problems, determine the necessary information to solve the problem. They find the amount of material needed to construct three-dimensional figures. Students determine the greatest and least area...
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Lesson Plan
Curated OER

Length, Perimeter, and Area

For Teachers 3rd - 6th
Young scholars explore the concepts of length, perimeter, and area. For this math lesson, students use Shape Explorer to practice finding length, perimeter, and area.
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Lesson Plan
Curated OER

Area And Perimeter Using Pentominoes

For Teachers 3rd
Third graders engage in an enrichment lesson exploring the concepts of area and perimeter. They construct new pentominoes that are 3 times the size of normal ones and then identify the area and perimeter measurements. They then create a...
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Lesson Plan
Curated OER

Triangle in the Matrix

For Teachers 9th - 12th Standards
Young mathematicians represent a triangle with a matrix and use the determinant to find the area of three given triangles. Learners also verify the formula for area of a triangle. 
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Worksheet
Curated OER

Six Find the Area of Triangles Given the Vertices Problems

For Students 8th - 11th
In this area of a triangle activity, students calculate the area of six triangles given the coordinate of the vertices. Grids are provided.
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Lesson Plan
Curated OER

What's My Area?

For Teachers 3rd - 5th
Students use tiles to find area. In this finding area lesson, students explore how to use square tiles to make shapes, then look at how they can be used to measure area. Students then explore how an area can be covered with different...