{"type":"rich","version":"1.0","description":"Players complete addition equations by dragging missing numbers, sums, or regrouped tens into blanks. The problems highlight strategies such as breaking apart addends, making friendly tens, and combining partial sums to add up to four two-digit numbers. (2.NBT.B.6)","title":"Two-Digit Addition Practice","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/60Km9G3QK7\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1780605957504&hashid=60Km9G3QK7&key=social-preview-image-v4","provider_url":"https://arcade.padlet.com"}