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Students may be given the measurements of the sides or angles, or may have to measure them for themselves. These worksheets explains how to classify triangles as isosceles, scalene, equilateral, right, acute, or obtuse. If none of the sides are equal length it is called a scalene triangle. If a triangle has two equal sides (in length) it referred to as isosceles. In an equilateral it has all equal side lengths. We can also classify them by their sides. We can classify them by the angles that exist with a triangle. Then, their problems can be checked by checking the order of the. When students have solved all of the problems, they will cut them apart and put them in numerical order. We explore the six main classifications of triangles. This lesson is designed for a math binder. In this activity, students will solve problems with isosceles and equilateral triangles. Obtuse -Obtuse are those that have an angle that measures more than 90 degrees but less than 180 degrees.Īcute -Acute are those that have all the angles of less than 90 degrees.Įquiangular -Equiangulars are those that have all its angles of the same measurement. Right -Right are those that have at least one angle of 90 degrees. Scalene -Scalenes are those that have all three sides of different measurements.īased on their angles, triangles are classified as the following four types: Isosceles - Isosceles are those shapes that two sides of equal measurement We need two congruent angles.īased on their sides, triangles are classified as the following three types:Įquilateral - As the name implies, equilateral are those that have all the three sides of the same measurement. One example is the Equilateral Triangle worksheet. These worksheets are also useful for students to improve their math skills. Obtuse versions have angles that are greater than 90 degrees and two acute angles. These exercises, which are usually short, contain word problems and illustrations that help students understand the fundamentals of the triangle. We need one right angle and two acute angles to make right angles. All three angles of an acute triangle are less than 90 degrees. All equilateral triangles are isosceles triangle that has two congruent sides of the triangle.Īngles - We can classify triangles by their angles and it has different types. Theorems included:Isosceles triangle base angle theorems.An Equilateral triangle is also equiangular.An Equiangular triangle is also equilateral.There are 4 practice problems that consist of 2 part answers in the foldable for students to practice. All three sides of equilateral triangle have the same measurement. Concepts Covered: Isosceles and Equilateral theorems practice foldable. In an isosceles triangle, two sides have exactly the same measurement. Three sides of the scalene triangle have different measurements. You will need to mark triangle sides that are congruent.
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Sides - An accurate measurement of triangle sides helps us to classify triangles. We differentiate them by their sides or angles. These shapes has different type of shapes and sizes. The measurements of these angles and sides may be different or the same size, there only maybe one distinctive angle any two angles or sides may be of equal measurements. They are classified based on their angles and sides. I am always looking for ways to improve my products and the usefulness thereof.Triangles are regular polygons with three sides and three angles. Please leave some feedback concerning the product. Is it correct?) QR Math Pong (Bounce back and forth between correct answers) Can you get the last one?) Lie or Legit (Is the answer correct? Cast your vote.) Does It Match/Add Up(Encourage group interaction by comparing group answers) Task Cards (Assorted problems to practice various topics) I do, We do, You do (Instruct and practice with strategic teaching) Problem Checker (Analyze student work. I like playing Lie/Legit throughout the school year and keeping a running total of scores for each round.Īfter finishing the game, students will complete the follow-up problems for homework to better check understanding.įor more activities for the following subjects just click on the links below: Algebra Algebra 2/Advanced Algebra Elementary Math Geometry Precalculus CalculusĪlso, try out more fun original activities at the links below: What's That Song (Use correct answers to see if you can finish the song correctly) What's My Line(The answers fill in the blanks of a famous movie line) Finish My Speech(Use math to complete the famous speech from historical figures) Scrambled Math/All Mixed Up (Unscramble to check for accuracy) Emoji Math(One answer leads to another. Problems are displayed one at a time and students answer whether they think that each answer is true or false. These signs can be used for all Lie/Legit activities. In this activity students will use the isosceles triangle theorem and it’s corollaries to find missing sides and angles in isosceles and equilateral triangles.Įach student will be given a Lie/Legit sign.