Harry O’Malley shares a lovely logarithms task called “Swap Two.”

The expression below has three digits. Swap the position of two of the digits to make an expression with: 1) the highest value or 2) the lowest value.

## More Activities for Teaching Logarithms

- Precalculus Graduation Stickers
- Evaluating Logarithms Auction Activity
- Swap Two – A Logarithms Task
- Exponents Chart (Powers of 2 to 9)
- Earthquakes and Explosions – a Logarithms Problem Based Assessment (PBA)
- Amy Gruen’s Exponent Puzzles
- Solving Logarithmic Equations Foldable
- Converting Between Exponential and Logarithmic Form Foldable
- Logarithm Tarsia Puzzle Activity
- The Case of the Cooling Corpse Task
- Change of Base Formula Notes
- Properties of Logarithms Foldable