Have fun practicing subtraction with these self-checking QR code task cards! Great for individual, partner, or small group work in math centers. Students can write directly on the laminated task cards with a dry erase marker or work out on paper. Then check answers using a scanning device. It's that simple!
Product includes 24 task cards with self-checking QR codes. Subtraction problems are 2-digit by 2-digit and 2-digit by 1-digit with no regrouping.