Students in Mrs. Devlin’s Class have created these voicethreads to practice subtraction, teach others how to subtract, and see if anyone has a different way. Check them out, and feel free to comment with your own method!
Subtracting Numbers without Regrouping
Subtracting Numbers with One Regroup
Subtracting Numbers with More than One Regroup
Subtracting Numbers Across Zeros
Note: We did realize that you could keep the writing from fading towards the end of the project. To see how, read how to increase writing time in voicethread.