CalcuLadder® 5 includes drill Levels 65 - 80 and serves as the heavy-duty fractions unit in the CalcuLadder series. To be sure of your student’s readiness, Level 65 checks your student's mastery of long division. Subsequent Levels cover every aspect of adding, subtracting, multiplying, and dividing fractions and mixed numbers. Key skills are addressed, including reducing, cancelling, and finding common denominators. The treatment is systematic, thorough, and complete, with careful drill of all procedures involved. Use CalcuLadder 5 in Grades 5, 6, 7, or higher to enable your students to work fractions problems like a pro!