GS18: Calculating differences between one- and two-digit numbers

This is simple activity requires students to calculate difference. The numbers I use are best for 1st and 2nd graders but older students can use much greater numbers. Download the template from this link. https://drive.google.com/file/d/1iAkRzEKYPBKe6DUWijCotr-1jbXZyQCk/view?usp=sharing

الفئة