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Curated OER
How Big was that Quake?
In this earthquake learning exercise, students determine the magnitude of an earthquake based on the seismogram reading. This learning exercise has 5 problems to solve.
EngageNY
Logarithms—How Many Digits Do You Need?
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.