{"type":"rich","version":"1.0","title":"3-Digit Addition & Subtraction","description":"Players solve a set of three-digit addition and subtraction problems by choosing the correct answer from four options. The questions focus on using place value, regrouping, and checking subtraction with addition to build fluency within 1000. (3.NBT.A.2)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774336048676&hashid=qXpoMazRrZ","html":"<iframe src=\"https://arcade.padlet.com/embed/qXpoMazRrZ\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}