LEARNING
OBJECTIVE: To discover what rational number is, what an irrational number is and what a surd is, and learn how to simplify surds
SUCCESS
CRITERIA: You will be able to explain the difference between an irrational number and an irrational number and understand what a surd is and how to simplify an expression including surds.
STARTER: Use your calculator to find the following
√1, √2, √3 , √4, √5, √6, √7, √8, √9, √10, √11, √12, √13, √14, √15, √16
Can you put the answers into two distinct groups and explain what those groups are: - Discussion about Rational and Irrational numbers.
LESSON: Irrational Numbers, Rational Numbers. Work through this MyMaths Lesson with Students giving time to answers question screens.
Work through these questions
Check answers with students
PLENARY: recap rules of surds with some examples on IWB to simplify
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