Hi Adrianne. If you click on my name to view my profile, you should be able to view my library which contains all of the video tutorials I have made. You may find videos appropriate for your 5th graders, although most of my work is for middle and high school students. You can also browse the subjects and take a particular look at the Basic Math pathways.
If you're not finding what you are looking for, perhaps I could help produce custom videos for your class. If you "follow" me as a user, you will be notified when I publish new material.
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