Here are some links that you and your child might find helpful.
In health we learn about resources available to help us in times of stress or crisis...
Check out this video to further your understanding of the doubling and halving strategy...
The following website is helpful because you can generate worksheets based on what needs practice
http://www.math-aids.com/Multiplication/
This link has a video to review the area model for multiplication.
https://www.youtube.com/watch?v=5QZnVBlMhNs
This link shows multiplication with base ten.
https://www.youtube.com/watch?v=mjYYbwuued0
The first 2 minutes and 50 seconds of this link reviews the lattice method.
The following link shows long division with base ten...
https://www.youtube.com/watch?v=mZZe9-qD12Q
Another division link using base ten...
https://www.youtube.com/watch?v=HjJYeVb1nbA
Another division link using a story problem with money...
https://www.youtube.com/watch?v=VJsVPlrK_Fo