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Lesson Plan
Curated OER

Plus or Minus

For Teachers 2nd - 3rd
Students practice their number snese. In this addition and subtraction lesson, students utilize playing cards and assign each card a numerical value in which they either add or subtract from their total. Students play the game in a group...
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Handout
Other

Bellevue: Accuracy vs. Precision & Error vs. Uncertainty

For Students 9th - 10th
A really nice distinction here in this longish piece from the Bellevue Community College. It's not just accuracy vs. precision, but also error vs. uncertainty. This is a necessary additional consideration for any paper on the topic.