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Corner to Corner

In this lesson students explore square roots by finding the diagonals of squares and rectangles. In this lesson students explore square roots by finding the diagonals of squares and rectangles.

Weblink address (URL): 
Corner to Corner

Standards & Objectives

Learning objectives: 

Students will:

  • Measure the length, width, and circumference of their fist.
  • Relate the dimensions of their fist to the size of their heart.

Lesson Variations

Blooms taxonomy level: 
Understanding
Extension suggestions: 

Extensions:

Have the students estimate the weight of a human heart (less than 1 lb, or about 0.5 kg) and compare it to the weights of the following animal hearts:

  • Blue whale: 1000 lbs (450 kg)
  • Gray whale: 300 lbs (135 kg)
  • African elephant: 35 lbs (16 kg)

Helpful Hints

Materials:

  • Pieces of string, 40 cm long each  
  • Rulers  
  • Sheets of construction paper  
  • How Big Is Your Heart? Activity Sheet  

References

Contributors: 
Lois Coles
Originator: 
Ayers Institute for Learning & Innovation