Curated OER
Triangle Explorer
Students calculate the area of triangles using a variety of materials including computer applets.
Curated OER
Investigating the Idea of Cos
Fifth graders use cos to solve problems involving right-angled triangles. They solve equations of the form cos(++) = a, for a between -180 and 360 degrees. They state the value of cos(++) in special cases and graph y = cos(++).
Curated OER
Triangle Explorer
Students compute the area of triangles in a computer program. In this measurement lesson plan, students complete 5 easy, 5 medium, and 5 hard problems.
Curated OER
Pythagorean Theorem
Pupils find the different ratios of a triangle. In this geometry activity, students use the Pythagorean Theorem to solve for missing sides and angles on a right triangle. They use a robot to create a right triangle.
Curated OER
Geometric Mean Multiple Choice
For this geometry worksheet, students find the measures of the side of a triangle. They use the Pythagorean Theorem to find the different parts of a right triangle. There are 10 questions with an answer key.
Curated OER
Cosine
In this cosine worksheet, 10th graders solve 10 different problems that include various measures of angles. They determine the value of x in each problem using the cosine of the given angle. Then, students substitute the answer they...
Curated OER
Length of an Arc
Students compute the length of an arc and each hypotenuse in the give figure, adding them up in the end. They then develop the formula for the arc length with respect to the x-axis and the y-axis. Students also develop a formula for the...
Curated OER
Tangrams
In this tangram worksheet, middle schoolers form a square using tangrams. Afterwards, they form additional shapes with tangrams. This one-page worksheet contains 180 tangram shapes for students to create by placing...
Curated OER
Angles and Triangles
Eighth graders examine Jewish symbols. In this Holocaust lesson, 8th graders discuss the meanings behind the Swastika and the Star of David. Students also measure the angles and shapes with the symbols.
Curated OER
Pythagorean Theorem
Students explore the Pythagorean Theorem. For this math lesson, students apply the Pythagorean Theorem to real life situations. Students find the hypotenuse and solve real world problems.
Curated OER
The Area of a Triangle
In this area of a triangle worksheet, 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.
Curated OER
Simply Similar at Sea: Simple Triangles
Tenth graders answer a variety of problems based on similar triangle and learn about the rule of thumb. They will test the rule of thumb by estimating the distance to an object in the classroom.
Curated OER
Equality: Children's Rights
Students and parents participate in a variety of activities designed to help them explore the similarities and differences of people. They design and wear masks, sort attribute blocks, read stories, discuss the rights and...
Alabama Learning Exchange
"I Saw the Sine"
Discover trigonometric ratios that complement each other. Using two videos, the lesson introduces the trigonometric ratios. The class discovers the relationship between the sine and cosine of complementary angles.
EngageNY
End-of-Module Assessment Task: Grade 8 Mathematics (Module 7)
It's time to discover what your classes have learned! The final lesson in the 25-part module is an assessment that covers the Pythagorean Theorem. Application of the theorem includes distance between points, the volume of...
Del Mar College
Formulas for Elementary and Intermediate Algebra
Give your scholars the support they need to work with formulas. A reference page offers definitions and picture examples of perimeter, area, surface area, volume, the Pythagorean theorem, a variety of shapes, and more.
Curated OER
Two-dimensional Number Patterns
In this online two-dimensional number patterns worksheet, students solve eight in-depth two-dimensional number patterns. Students check their answers as they go.
Mathematics Assessment Project
Geometry
Help learners find joy in facing mathematical challenges. The questions posed on this instructional activity encourage young mathematicians to utilize skills learned throughout a geometry unit, and to apply themselves and persevere...
Curated OER
Worksheet 7: Slope and Tangents
Providing both review and practice problems, this worksheet prompts learners to answer five questions having to do with slope, tangents lines, graphing, the Squeeze Theorem, differentiable functions and derivatives. This activity could...
Willow Tree
Midpoint and Distance Formulas
The shortest distance between two points is a straight line. Learners use the Pythagorean Theorem to develop a formula to find that distance. They then find the midpoint using an average formula.
K12 Reader
Shapes on a Plane
Geometric shapes are the focus of a comprehension exercise that asks readers to examine a short passage about planes, circles, triangles, and rectangles, and then to respond to a series of questions about the article.
Curated OER
Hands-On: Sums of Angle Measures
In this angle measures worksheet, learners solve six word problems where they are given 6 different polygons, some of which are complex, and must determine angle measures in order to arrive at a solution.
University of Exeter
Angles and Turns
Junior geometers investigate the concepts of angles and turns using straws to perform a hands on activity. This is helpful for kinesthetic learners who have a hard time with mathematics. The lesson plan includes the dialogue to be used...
Curated OER
Shapes and Tools
Young learners view different shapes drawn by the teacher on the board. The teacher identifies each shape by name and discusses the importance of knowing the difference between shapes when building something. The pupils complete the...
Other popular searches
- Special Right Triangles
- Right Triangles Trigonometry
- Two Special Right Triangles
- Solving Right Triangles
- Acute Obtuse Right Triangles
- Similar Right Triangles
- 30 60 90 Right Triangles
- Geometry Right Triangles
- +Special Right Triangles
- 30 60 90 Right Triangles
- 45 45 90 Right Triangles
- 2 Special Right Triangles