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Worksheet
Curated OER

Area of Triangles - Word Problems

For Students 5th - 7th
Here is an area of triangles practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.
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Lesson Plan
Curated OER

Geometry: Area, Scale Factor, Circumference

For Teachers 5th - 8th
In this geometry worksheet, students solve 10 problems regarding area, scale factors, and circumference. Students, in 3 of the problems, are given the circumference and asked to work backwards to find missing information.
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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

Area Formulas

For Teachers 6th - 8th
Learners use the area formula for a rectangle to identify the area formulas for triangles, parallelograms, and trapezoids. In groups they complete a variety of worksheets, and examine irregular figures whose areas can be determined by...
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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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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

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

Learning by Logic - Total Surface Area

For Teachers 3rd - 6th
Geometers calculate the area of plane surfaces using the formulas for the area of a square, rectangle, and triangle. They develop the formula for calculating the total surface area of two geometric solids: the cube and rectangular prism.
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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

Acute Triangles

For Teachers 4th - 8th
Learners study acute triangles. They measure angles using a protractor, then classify the triangles as either right, obtuse, or acute. Everyone creates a design for a Navajo rug using only acute triangles.
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Lesson Plan
Curated OER

Volume and Surface Area

For Teachers 5th - 6th
Young scholars explore volume and surface area. In this math instructional activity, students fill boxes with cubes to identify the volume of the boxes. Young scholars discuss 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

Concept Attainment Model: Volume and Surface Area

For Teachers 4th - 7th
Using a concept attainment approach, learners identify surface area and volume by sorting examples (photos) that depict each concept (positive)  from those that don't (negative). Then as a class, they develop definitions of each term...
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Assessment
Balanced Assessment

Triangle in Circle

For Students 6th - 8th
Even kindergartners can draw triangles in circles, but the assessment task requires a bit more geometric knowledge. Scholars investigate triangles that have a diameter of a circle as one of its sides. They must consider triangles that...
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Worksheet
Curated OER

Area Of Triangles 2

For Students 4th - 8th
Use this math worksheet to have learners complete six problems where they find the area of triangles by multiplying the base times the height and dividing by 2. Examples are given in this well-designed worksheet.    
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Worksheet
Curated OER

Area of Triangles

For Students 6th - 8th
In this math learning exercise, students draw two triangles and one pentagon. Then they use the correct formula to calculate the area for each.
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Worksheet
Curated OER

The Area of a Triangle

For Students 5th - 6th
In this area of a triangle learning exercise, students solve 30 problems in which the area of triangles are calculated. There is instruction on the page. This is intended for on-line use but can be done on paper.
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Worksheet
Curated OER

Area of Triangle Worksheet

For Students 5th - 6th
For this area worksheet, students find the area of a triangle given the height and the base. They also find the height or base given the area of the triangle. 
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Lesson Plan
Beyond Benign

Hit the Deck: Area and Perimeter Review

For Teachers 6th - 8th
Designing a deck sure demands a lot of math. Future engineers and architects learn about the areas and perimeters of squares, rectangles, triangles, and composite figures. They apply their new knowledge to design a deck with a specified...
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Worksheet
Curated OER

Perimeter and Area

For Students 6th
For this perimeter and area worksheet, 6th graders find the perimeter and area of different right triangles. Students complete 9 problems total.
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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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Interactive
National Council of Teachers of Mathematics

Scale Factor

For Students 6th - 12th Standards
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.

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