geometry


  • Introduction to Volume – Manipulatives (starting with perimeter and area)

    Introduction to Volume – Manipulatives (starting with perimeter and area)

    Here is a Jamboard to introduce volume and units of volume. (See photo at very bottom for making a copy to edit.) The students start with building an animal pen and shading in the space inside. The hands on approach and connection to prior knowledge of a fenced in area for animals sets the stage…


  • Geometry Application

    Geometry Application

    Obtuse angle on the left (see upside down “T” figure) and perpendicular lines (right angle) on the right.


  • Hands on Triangles for Boring Worksheet

    Hands on Triangles for Boring Worksheet

      A student came to me with a geometry worksheet, excerpt in photo above. Extemporaneously I created cut out sides of a triangle to help make the concept of lengths of sides of a triangle more concrete. The concept is that the shorter 2 sides must be longer than the 3rd side or you cannot…


  • Corresponding Angles in Stain Glass

    Found this (above) cool example of corresponding angles (see photo below for explanation). This window photo could be a nice introduction to this type of problem by printing it out on paper and having students match angles as the teacher shows the photo on the Smart Board or screen.