A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented it was difficult for scientists and ...

Solve real world problems with addition and subtraction within 1,000. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Use visual models and place ...

LOGARITHMS, as anyone forced to use them at school will recall, can speed up the process of mathematical calculation dramatically. By representing numbers as logarithms (with the help of a slide-rule, ...