Rational and Irrational Numbers 2

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Rational and Irrational Numbers 2

• Projector Resources

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Poster with Headings
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Instructions for Always, Sometimes or Never True

• Choose a statement.
• Try out different numbers.
• Write your examples on the statement card.
• 2. Conjecture decide whether you think each
  statement is always, sometimes or never true.
• Always true explain why on the poster.
• Sometimes true write an example for which it
  
• is true and an example for which it is false.
• Never true explain why on the poster.

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Always, Sometimes or Never True?
The sum of a rational number and an irrational number is irrational. The sum of a rational number and an irrational number is irrational.
True for False for
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Always, Sometimes or Never True?
The circumference of a circle is irrational. The circumference of a circle is irrational.
True for False for
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Always, Sometimes or Never True?
The diagonal of a square is irrational. The diagonal of a square is irrational.
True for False for
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Always, Sometimes or Never True?
The sum of two rational numbers is rational. The sum of two rational numbers is rational.
True for False for
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Always, Sometimes or Never True?
The product of a rational number and an irrational number is irrational. The product of a rational number and an irrational number is irrational.
True for False for
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Always, Sometimes or Never True?
The sum of two irrational numbers is irrational. The sum of two irrational numbers is irrational.
True for False for
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Always, Sometimes or Never True?
The product of two rational numbers is irrational. The product of two rational numbers is irrational.
True for False for
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Always, Sometimes or Never True?
The product of two irrational numbers is irrational. The product of two irrational numbers is irrational.
True for False for