Home

Services

Math and Instruction

About

area

  • Introduction to Perimeter and Area

    Introduction to Perimeter and Area

    This post provides a conceptual approach to understanding perimeter and area. Overview Students are prompted to build an rectangular animal pen for some farm animals. The number of fences represents the perimeter. The number of squared segments of grass inside the pen represents the area. Google Jamboard The slides are presented below. This video shows…

  • Intro to Measurement

    The photos below are used to introduce length and area as part of a CRA approach. First a student is asked to build a Lego garage. He first builds the bottom row of a wall and the teacher asks for length in terms of how many Legos are lined up. After building a wall the…

  • Cutouts for Area of Irregular Shapes

    Students have trouble with irregular shapes largely because they cannot visualize or determine the measures the dimensions of the individual parts. The photos below show a hands on activity to help students with these challenges. The students are cut out the individual shapes and write in the dimensions. This method allows them to see the…