Free interactive math game: Basic Logarithm — log₂(16) = 4. Part of the Logarithms category on MathKite.
Taken from the generator that powers this exercise. A fresh set appears every time the page is opened, and the printable worksheet holds ten of them.
A logarithm — the exponent that a base must be raised to.
Ask what power of the base gives the number. Every logarithm is an exponent question in disguise.
The log of 8 to base 2 is 3, because 2 cubed is 8.
Dividing instead. Log base 2 of 8 is 3, not 4.