Adding and subtracting integers on a number line
Source: MrG Lewis https://www.youtube.com/watch?v=Fwz4vNenSMc
If you are having trouble, this video can be shown to your parents (if they need it in Spanish) so they can then help you with your questions at home.
Source: Matematicas Ejercisios Resueltos https://www.youtube.com/watch?v=Qx3QrKVuBwg
Using tiles to add and subtract integers
Source: Callandtg https://www.youtube.com/watch?v=9YhPNXwY510