Here is a set of 10 worksheets on adding and subtracting fractions that are aligned to the 5th grade common core standards. Students will be asked to simplify the answers if they can. Involves adding and subtracting proper, improper, and mixed numbers. Use these worksheets as extra practice for the whole class, for early finishers, homework, formative assessments, or as a math center activity etc. Solve the problems and find the answer to the riddles. Answer key included. Leave feedback and earn those TpT points for other great products.