Videos

 

Watch this video for addition with whole numbers

 

https://www.youtube.com/watch?v=sYsjc2Nx6u0

 

then go to this website to get a sheet to practice: https://math-drills.com/addition.php#multi-digit-addition

 

Watch this video for subtraction requiring borrowing

 

https://www.youtube.com/watch?v=WsFMuFdHezg

 

then go to this website to get a sheet to practice: https://www.dadsworksheets.com/worksheets/subtraction-borrowing-without-borrowing-across-a-zero.html

 

Watch this video for subtraction when you need to borrow across zeros

 

www.youtube.com/watch?v=klpoC3ySKZw

 

then go to this website to get a sheet to practice: https://math-drills.com/search.php?s=subtracting+across+zeros&page=1

 

These websites provide multiple sheets so they can be used for homework and retrieval practice.