Beta Focus: Multiple Digit Addition and Subtraction
The Beta Instruction Pack contains the Instruction Manual (spiral bound) with lesson-by-lesson instructions and full solutions, and the DVD with lesson-by-lesson video instruction.
This 2004 version is compatible with the newest Math U See version. While the new student workbook (which you will need to purchase to use along with this instruction pack) does include additional activities, you can find the "application and enrichment solutions" on the Math U See website under the parents tab.