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Worksheet
Curated OER

Data Analysis and Bias

For Students 10th - 12th
In this probability and statistics activity, students determine when a collected data or a graph of the data could be biased.  The one page activity contains four multiple choice questions.  Answers are included.   
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Lesson Plan
Curated OER

Calculating Sales Tax

For Teachers 3rd - 5th
Observe and demonstrate how to calculate state sales taxes. Learners create a sales tax chart by calculating the sales tax amount and tax inclusive retail price for school store items, then calculate the subtotals, sales tax amounts, and...