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Curated OER
NUMB3RS Activity: A Matter of Half-Life and Death
Students investigate exponential decay. Students explore the biological half-life of Cesium-137. Students investigate the Goiania Accident of 1987 which is considered one of the worst incidents in the history of the Atomic...
Curated OER
Number facts
In this number facts learning exercise, learners determine the number associated with each of the twenty-five facts provided. Students then need to determine how the answers are related to each other. Answers are provided at...
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Number Theory: Scientific Notation
In this scientific notation activity, students solve a total of 10 problems, writing numbers given in problems using scientific notation, then numbers given in scientific notation in standard form.
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Scientific Notation Worksheet
In thsi scienfic notation worksheet, students answer 10 questions converting back and forth between scientific notation and standard form. Students write very big and very small numbers using scientific notation.