+
Worksheet
Curated OER

Identify Triangles

For Students 3rd - 5th
In thins triangles review worksheet, students examine 3 triangles and their measurements. Students classify them as acute, right, obtuse, equilateral, isosceles, or scalene.
+
Worksheet
Curated OER

Triangles

For Students 3rd - 4th
For this triangles worksheet, students identify 3 triangles by the length of their sides and 3 triangles according to their internal angles.
+
Worksheet
Curated OER

Math Leagues Contest 1

For Students 8th
In this basic algebra worksheet, 8th graders solve and complete 6 different types of algebra problems as described in each box. First, they determine the value of a set of numbers with one pair of positive integers. Then, students...
+
Worksheet
Curated OER

Algebraic Equations

For Students 7th - 8th
In this algebraic equations learning exercise, students solve 9 different problems that include various types of equations used on the sheet. First, they determine the solution of a given inequality. Then, students write the greatest...
+
Worksheet
Curated OER

Special Right Triangles

For Students 10th
In this special right triangles worksheet, 10th graders solve 9 different problems related to measuring various types of right triangles. First, they find the values of x and y in each right triangle shown. Then, students find the length...
+
Lesson Plan
Curated OER

Geometry of Triangles - Week 6

For Teachers 12th - Higher Ed
In this geometry of triangles worksheet, pupils 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.
+
Worksheet
Curated OER

Euclidean Geometry

For Students 9th - 12th
For this Euclidean geometry worksheet, students use a straight edge and a compass to create constructions that are possible with Euclid's Postulates. This one-page worksheet contains two construction problems.
+
Lesson Plan
Curated OER

Constructions of Isosceles and Equilateral Triangles

For Teachers 4th - 9th
Students explore the difference between drawing and constructing a triangle utilizing The Geometer's Sketchpad on the computer. They create, develop and script constructions for both isosceles and equilateral triangles. Each student has...
+
Lesson Plan
Curated OER

Tessellation Trial and Error

For Teachers 5th - 8th
In this interactive lesson, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create tessellations. They...
+
Lesson Plan
Curated OER

Cabri Jr. - Getting Started with Triangles

For Teachers 9th - 12th Standards
Students explore a basic triangle construction. For this beginning geometry lesson, students investigate the steps to necessary to create an equilateral triangle with Cabri Jr.;
+
Worksheet
Curated OER

Equilateral Triangles

For Students 1st - 2nd
In this equilateral triangles worksheet, students study the various triangles to identify equilateral triangles. Students may count the triangles.
+
Lesson Plan
Curated OER

Modeling Permutation Group

For Teachers 9th - 11th
Students explore the concept of transformations. In this transformations lesson, students construct an equilateral triangle and a square with a circumscribed circle. Students reflect and rotate their constructions.
+
Worksheet
Curated OER

Expressions and Operations

For Teachers 9th
For this expressions and operations worksheet, 9th graders solve and complete 3 different multiple choice problems. First, they determine the value that is closest to x for the given expression. Then, students find the height of an...
+
Worksheet
Curated OER

Expressions and Operations

For Teachers 9th
In this expressions and operations worksheet, 9th graders solve and complete 3 different problems that include identifying and applying various operations. First, they determine the value closest to the given expression. Then, students...