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Worksheet
Curated OER

Forty Mental Math Angle Problems

For Students 10th - 11th
In this angle worksheet, students answer forty mental math questions divided into four problem sets.  These problems require students to remember angle facts and so simple calculations mentally.
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Lesson Plan
Curated OER

Grouping Musical Instruments

For Teachers 1st - 4th
Students study about musical instruments and group them into these categories: percussion, strings, woodwinds, and brass. After discussing these instruments, they independently complete the worksheet.