Two-Digit Subtraction with or without regrouping activities include 32 subtraction QR CODE task cards.
This activity is a fun way for reviewing and reinforcing two-digit subtraction with regrouping and without regrouping.
Each task card has a two-digit subtraction problem. Then your students can solve these problems using two answer sheets . After that, they can scan the QR code to check their answer.
To use these two-digit task cards in your classroom:
- For most Smartphones install a barcode scanner as an app which will read QR codes.
- For the desktop, install a little bit of software that will use a webcam to read the codes.
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