Should be plagiarism free. Turnitin is used to check for plagiarism. English should be top quality.

Whatever resources you use, make sure to reference them and include intext citations. 

Attached you will find a screenshot of the assignment. It is a group assignment, However, I have been assigned to do subtraction of 2+ digit numbers. So approximately 3 slides should be fine. I was thinking to use the take out method and the other to use the number line counting backwards.