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Lesson Plan
Curated OER

Mathematical Proofs

For Teachers 9th - 12th
Pupils explore the nature of mathematical proofs and mathematical inquiry. They complete the activity "Using the Pythagorean Theorem". They read selected articles and participate in class discussions.
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Lesson Plan
Curated OER

Bookkeeping 101

For Teachers 9th - 12th
Students state the important questions that must be answered through the use of expense records. They design and test a method for recording business expenses.

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