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Worksheet
Curated OER

How Big was that Quake?

For Students 6th - 10th
For this earthquake worksheet, students determine the magnitude of an earthquake based on the seismogram reading. This worksheet has 5 problems to solve.
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Lesson Plan
EngageNY

Logarithms—How Many Digits Do You Need?

For Teachers 9th - 12th Standards
Forget your ID number? Your pupils learn to use logarithms to determine the number of digits or characters necessary to create individual ID numbers for all members of a group.