+
Lesson Plan
Curated OER

Roofing and Right Triangles

For Teachers 9th - 11th
Students use models and symbols to represent properties of the Pythagorean Theorem. In this right triangle lesson plan, students connect real jobs to properties of right triangles. They solve word problems applying the correct ratios and...
+
Lesson Plan
Curated OER

Area Formulas

For Teachers 9th - 12th Standards
Teach your pupils to calculate the area of different polygons. Learners create formulas to solve their problems. They use the TI navigator to graph their shapes and observe the change in area.
+
Lesson Plan
Curated OER

Altitude, Median, and Angle Bisector of a Triangle

For Teachers 9th - 12th Standards
Learners investigate the special properties of an altitude, a median, and an angle bisector and explore how these special segments divide the area of a triangle. The dynamic nature of Cabri Jr. allows pupils to form and verify conjectures.
+
Worksheet
Curated OER

Chapter 12 Worksheet Homework: Area & Volume

For Students 8th - 10th
In this area and volume worksheet, students find the lateral area, total area, and volume of given prisms. This two-page worksheet contains six multi-step problems. Answers to each problem are provided on page two.
+
Lesson Plan
Curated OER

Investigating Lengths of Segments in a Triangle

For Teachers 9th - 12th Standards
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
+
Lesson Plan
Curated OER

Exploring the Centroid of a Triangle

For Teachers 9th - 12th Standards
Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...
+
Lesson Plan
Curated OER

Special Segments in Triangles

For Teachers 9th - 12th Standards
High schoolers identify important properties of triangles. In this geometry lesson, students differentiate between medians, bisectors and altitudes in a triangle. They identify the properties of these important segments.
+
Lesson Plan
Curated OER

Corresponding Parts of Similar Triangles

For Teachers 9th - 12th Standards
Here is a lesson that has learners take a look at corresponding parts of similar triangles, ratios of similarity, reductions and enlargements. They'll manipulate the scale factor (r) to observe the changes in similar triangles and then...
+
Lesson Plan
Curated OER

Congruent Triangles

For Teachers 9th - 12th Standards
Students identify properties of triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the umber of sides to help define the angle of the polygon.
+
Lesson Plan
Curated OER

Classifying Triangles by the Length of the Sides Using Cabri Jr.

For Teachers 9th - 12th Standards
Learners follow detailed directions to create triangles on their graphing calculator. In this properties of triangles lesson, they will create triangles on their calculators using the Cabri Jr. application. They then identify three...
+
Worksheet
Curated OER

Triangle Trigonometry IB Packet

For Students 11th - 12th
For this trigonometry worksheet, students use triangle trignometry to solve problems in order to find the missing length, angle, or area of the triangle. The one page worksheet contains five  questions. Answers are included.
+
Lesson Plan
Curated OER

Finding the Area Under A Curve with Random Probability

For Teachers 11th - Higher Ed
Students explore the concept of area under a curve. In this area under a curve lesson, students find the area under a curve using the Monte Carlo method using random points and probability. Students calculate the area under the same...
+
Worksheet
Curated OER

Area of 2D Shapes

For Students 9th - 12th
For this area worksheet, students commence solving for area of squares and rectangles, and continue to parallelograms and triangles, and continue again to rhombi and trapezoids and finish with circles, polygons, and shaded regions. There...
+
Worksheet
Curated OER

Area Review

For Students 9th - 10th
In this geometry worksheet, learners calculate the area and different polygons such as squares, parallelogram, and rectangles. There are 15 questions with an answer key.
+
Lesson Plan
Curated OER

Area of Parallelograms and Triangles

For Teachers 8th - 10th
Students explain the formula for finding the area of a paralellogram and its relation to the area of a rectangle. Finally, they construct the formula for the area of a paralellogram.
+
Lesson Plan
Curated OER

Geometry of Triangles - Week 6

For Teachers 12th - Higher Ed
In this geometry of triangles worksheet, students find the length of sides, are, and angle measurement of inscribed triangles, pentagons, and midpoint of a line. This two-page worksheet contains seven problems.
+
Lesson Plan
Curated OER

Review Geometry - Week 8 (Triangles)

For Teachers 11th - 12th
In this triangle worksheet, students use similar figures to find the length of one side of two similar triangles. They find the area of a triangle inscribed in a rectangle. This two-page worksheet contains eight problems.
+
Worksheet
Curated OER

Triangles

For Students 10th
In this triangles worksheet, 10th graders solve 10 different problems that include determining the measurement of various angles. First, they determine the area of a triangle illustrated on the sheet. Then, students use the picture to...
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
+
Worksheet
Curated OER

Seven Sets of Area Problems

For Students 10th - 11th
In this area worksheet, students solve for the area of rectangles, parallelograms, triangles, trapezoids, kites, regular polygons, circles, and surface area.  The worksheets is divided into seven different sets of problems.
+
Worksheet
Curated OER

Quiz: Area of Polygons and Circles

For Students 9th - Higher Ed
In this area worksheet, students compute the area of each of ten specified shapes. Seven of the shapes are quadrilaterals, one is a circle, and two shapes are triangles.
+
Lesson Plan
Curated OER

Perimeter and Area

For Teachers 7th
Seventh graders develop strategies for finding the perimeter and area of large geometric figures. Through lecture and guided practice, 7th graders practice the strategy of dividing a geometric shape into smaller more manageable shapes...
+
Worksheet
Curated OER

Measurement Word Problems

For Students 4th - 6th
Learners complete word problems dealing with perimeter, area, length of sides, and more. They complete 10 multiple choice word problems.
+
Worksheet
Curated OER

Perimeter and Area

For Students 4th - 6th
In this perimeter and area worksheet, students find area and perimeter for a set of 9 triangles. A website reference is given for additional resources. 

Other popular searches