Students investigate a topic through research, observation, and experimentation. They prepare a short science report and publish it online. Students reflect on the role of science reports in the larger scientific community.

In this exponent laws worksheet, 8th graders read examples of the three laws of operations for division, multiplication and exponents, then solve ten problems.

Find a quick, concise explanation of how to find the least common denominator for fractions or rational expressions. Examples are given and clearly explained.

Sharpen your computation skills with this interactive worksheet. The focus is adding and subtracting fractions with like and unlike denominators and reducing to lowest terms. Problems are set up horizontally and answers can be checked...