Rational Numbers is a grade 6-8 level math workbook which focuses principally on negative fractions and negative decimals.
Some of the topics included are:
This math workbook on rational numbers is divided into 10 sections. Each section begins with a bite-sized introduction to a topic with an example, followed by practice exercises including word problems. Answers are in the back. The format is ideal for independent or parent-guided study. The Math Mammoth series of workbooks is highly recommended by K5 Learning!