Math Intervention Workbooks MEGA BUNDLE K-8th. Struggling math learners' workbooks to use for extra help on specific CCSS-aligned math topics. This bundle of math intervention workbooks is a supplemental resource for students in general education, special education, or resource rooms. Workbooks included: 8th-grade books 1-3, 7th-grade books 1-3, 6th-grade books 1-3, 5th-grade books 1-3, 4th-grade books 1-3, 3rd-grade books 1-3, 2nd-grade books 1-3, 1st-grade books 1-3, and Kindergarten books 1-3