ERROR OF UNDERSTANDING

NEW to accompany your correction!

A stamp that will make your correction easier during your students' mathematics assessments! It is perfect for identifying the type of error your students have made (and it is more meaningful for them too to understand the type of error they may have made).

RETRACTABLE and RECHARGEABLE stamp.

*Black ink is already on the stamp.
FINAL SALE.

***FOR CANADIAN RESIDENTS ONLY***