https://www.abebooks.com/9781461192626/Master-Multi-Digit-Subtraction-Workbook-Squared-1461192625/plp
Master Multi-Digit Subtraction Workbook - Squared, Dr. Pi: 9781461192626 - AbeBooks
This math workbook from the Dr. Pi Squared Math Workbooks series focuses on multi-digit subtraction. There is ample workspace for students to write large...
mastermultidigitsubtractionworkbook