Curated OER
Problem Solving: Strategy: Use Logical Reasoning
For this problem solving strategy worksheet, 6th graders solve a story problem using the strategies of understand, plan, solve, and look back.
Curated OER
Rounding
For this rounding worksheet, students solve 40 problems in which whole numbers are rounded to the nearest 10. 100 or 1000. Students also round to the nearest dollar.
Curated OER
Pythagorean Theorem
Middle schoolers investigate the concept of the Pythagorean Theorem. After conducting independent practice to find the hypotenuse of a triangle, they work with the teacher using examples in the lesson plan. The direct instruction is...
Curated OER
Equilateral Triangles
Students examine the attribute of equilateral triangles. In this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
Curated OER
Geo-Mat
Students review plane figures by playing a game that resembles "Twister." They listen to directions to locate a large example of the figure which is placed on the floor.
Curated OER
Triangle Exercises
In this math worksheet, students determine the name for each triangle according to its classification. Then they create a truss construction model.
Curated OER
Downtown Landmarks: geometry on Firstside
In this geometry learning exercise, students look at a picture of downtown landmarks and identify different shapes, lines, and more. Students identify 18 items.
Curated OER
TAKS 4th Grade Daily Upkeep 10
In this math worksheet, 4th graders look for the answers to basic review problems that focus upon the skills of reading simple word problems, and applying the interpretation of data.
Curated OER
Studying Special Segments in Triangles
Students investigate special segments in triangles. In this geometry lesson, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
Curated OER
Tessellations
In this tessellations worksheet, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...
Curated OER
The Centroid : Balancing the History
Young scholars discover the centroid of a triangle based on Euclid's constructions. They explore locus of points of a median. They understand properties of the segments that form the median and areas of the smaller sections formed by the...
Curated OER
Geometry Wordsearch
In this mathematical related worksheet, students explore and analyze thirteen key terms associated with geometry in a word search puzzle.
Curated OER
Triangle Classification
High schoolers classify different types of triangles. In this geometry lesson, students identify and use properties of triangles. They differentiate between isosceles and equilateral triangles.
Curated OER
Pass It On
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
Curated OER
Ovals, Rectangles, Squares, and Triangles
Students identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
Curated OER
Exploring Special Segments in Triangles
Students discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
Khan Academy
Khan Academy: Draw Right, Acute, and Obtuse Angles
Create an acute, right, or obtuse angle using a given vertex. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Draw Right, Acute, and Obtuse Angles
Create an acute, right, or obtuse angle using a given vertex.
CK-12 Foundation
Ck 12: Elem Math: Classifying Angles as Right, Acute, or Obtuse
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with angles and must identify what type each is. An accompanying video demonstrates a sample problem. [2:10] A set of...
Shodor Education Foundation
Shodor Interactivate: Lesson: Angles (Elementary)
In this lesson learners will learn what determines whether an angle is acute, obtuse or a right angle.
Better Lesson
Better Lesson: Finding Angles
The three types of angles, right, acute, and obtuse, exist in our everyday surroundings. Students find these angles using classroom items.
CK-12 Foundation
Ck 12: Geometry: Angle Classification Grade 7
[Free Registration/Login may be required to access all resource tools.] Classify angles as acute, obtuse, right or straight.
CK-12 Foundation
Ck 12: Geometry: Angle Classification
[Free Registration/Login may be required to access all resource tools.] Classify angles as acute, obtuse, right or straight.
Shodor Education Foundation
Shodor Interactivate: Lesson: Angles
This upper elementary and middle school lesson plan introduces the concept of acute, obtuse and right angles. Also, as the lesson proceeds vertical, adjacent, alternate interior and alternate exterior angles are explored. Plenty of...
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