This worksheet includes eight three digit subtraction problems that are self checking using google forms. This is not a print a use worksheet as you will need to create a your own unique QR code to be pasted onto the worksheet (instructions included). Once you create your code, students can scan the code, insert their answers into the form and receive immediate feedback on their work. You will also be able to see their responses and scores meaning less grading for you!
Students will need access to a QR code scanner and internet in order to make this worksheet self checking.