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Visible Learning for Mathematics

Visible Learning for Mathematics

Effective teaching is the goal of every teacher of mathematics. How do you know that your teaching is effective? What strategies should you choose? What tasks?

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The liar’s paradox

This statement is false.

Think about it!

If true, then ‘This statement is false’ is true. Therefore the statement must be false. That is, if it is true then it is false!

If false, then ‘This statement is false’ is false. Therefore the statement must be true That is, if it is false then it is true!