MATH ANGLE PROPERTIES OF SCALENE TRIANGLES GRADES: 4-9 MATERIALS: - sheets of blank paper.
- protractors
- straight edge of some kind
METHOD: Draw ten different triangles. Label each vertex of the triangle using numbers one, two, three. Put the numbers at the vertex of each angle, outside the triangle. Using your protractor, measure all angles of each triangle. Record the measurements of each angle inside the triangle. Complete the following chart: Triangle, Angle 1, Angle 2, Angle 3, Sum of the three angles Record any patterns that you find regarding the angles of a triangle. - This lesson can be varied to determine the properties of isoceles, and equilateral triangles as well.
- This lesson creates ownership for the student, ensuring that they will never Forget these properties.
- submitted by
- BRYAN BAIRD
CHAMPLAIN DISCOVERY PUBLIC SCHOOL PEMBROKE, ONTARIO, CANADA bryanbaird@hotmail.com
THE MATHEMATICS BEHIND MAZES GRADES: 7-11 The Mathematics Behind Mazes examines Euler's Formula (Points + Regions = Lines + Parts), and provides the students with a chance to design and construct a model of a maze, to practice equations and to obtain a better understanding of coordinate planes. MATERIALS: - Euler's Formula Handout
- dictionary-1 per group
- scissors-1 pair per group
- tape-1 roll per group
- glue-1 bottle per group
- graph paper-several sheets per group
- cardboard-several sheets per group
- white paper-several sheets per group
- access to a computer
METHOD: Have students list any characteristics of mazes which they already know. | |
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