A fun and engaging way for students to practice their subtraction facts within 20.
Use a smart device and any QR reader app to scan the QR codes. Students can check their answers before or after recording their number sentences on the recording sheet.
*16 cards (in color and black and white options)
*QR code takes the student to text with the appropriate answer to the problem
*Recording sheet (I have also included a recording sheet for 12 problems as a differentiation option.)
This product can be used without a QR reader, but using one makes it more fun!