This textbook takes the learner from the basic definition of slope through derivatives, integrals, and vector multivariable calculus. Each section is composed primarily of examples, with theoretical introductions and explanations in...

Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth activity in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...

In this grammar learning exercise, learners read twenty sentences to find the trite expression in each one and then think of a creative way to rephrase it.