4:12SPIRAL Addition of Whole Numbers with Place Value Disks: Partial Sums AlgorithmMath SPIRAL209 viewsView & Download
4:09SPIRAL Addition of Whole Numbers with Place Value Disks: Traditional AlgorithmMath SPIRAL263 viewsView & Download
3:23SPIRAL Addition of Decimals to Tenths with Place Value Disks: Traditional AlgorithmMath SPIRAL77 viewsView & Download
4:30SPIRAL Addition of Decimals to Hundredths with Place Value Disks: Traditional AlgorithmMath SPIRAL58 viewsView & Download
