Work each problem using the standard algorithm.
Check each problem using the area model.
You must show your work. You may show your work on paper and upload a picture on the last slide, if you wish.
Students will edit this template:
𝕁𝕖𝕟 ℍ𝕒𝕣𝕕𝕚𝕟𝕘 @𝕄𝕣𝕤𝟛𝕣𝕕ℍ𝕒𝕣𝕕𝕚𝕟𝕘