Add and Subtract Numbers in Scientific Notation: Level 3

Challenge your prowess with scientific notation in the trickiest of three eighth-grade worksheets! In each of the nine problems, students will be asked to find the sum or difference of two numbers in scientific notation. The numbers in each problem are separated by two or more degrees of magnitude, making these problems a true test of students’ skills! 

Use this worksheet to make sure students have a full understanding of scientific notation. Confidence with scientific notation is vital for high-level math and science skills, both in school and in real life! 

Struggling with these problems? Try the previous worksheets in this series: Add and Subtract Numbers in Scientific Notation: Level 1 and Add and Subtract Numbers in Scientific Notation: Level 2.