Operations with Rational Numbers


This chapter extends the concepts of the first three chapters to the rational numbers. It is important to demonstrate mastery of these basic skills without being dependent on calculators.

What you can expect to learn

After completing these activities you should be able to

  1. Evaluate sums, differences, products, powers, quotients, and roots of rational numbers.
  2. Simplify algebraic expressions containing rational numbers.
  3. Solve equations with rational numbers.
  4. Evaluate sums, differences, products, and quotients of numbers in scientific notation.
Activity List