Number Systems and Radical Thinking · Number Sense
The Nature of Irrational Numbers
Distinguishing between rational and irrational numbers using decimal expansions and geometric models.
Key Questions
- 1Why can some numbers be written as fractions while others cannot?
- 2How can we locate a value on a number line if its decimal never ends or repeats?
- 3In what ways does the Pythagorean theorem prove the existence of irrational numbers?
Ontario Curriculum Expectations
ON: Number - Grade 8
Grade: Grade 8
Subject: Mathematics
Unit: Number Systems and Radical Thinking
Period: Number Sense
Suggested Methodologies
Ready to teach this topic?
Generate a complete, classroom-ready active learning mission in seconds.