Before there were electronic calculators, there were logarithm tables and slide rules. In this lesson, students make and use slide rules to discover the properties of logarithms. The technique, analogous to number-line addition, reinforces the hierarchy among the operations of addition, multiplication, and exponentiation.
Prerequsites for Calculus Quiz
Students will take this self-assessment to make sure they are prepared to take Calculus.
Logging Time Sudoku
Students will answer questions about logarithms to fill cells in a Sudoku puzzle, making the puzzle easier to solve.