{"type":"rich","version":"1.0","title":"Addition and Subtraction Strategies","description":"Players complete sentences and equations about addition and subtraction strategies by filling in missing words or numbers, such as tens, ones, regroup, or make a ten. This helps students explain how place value and operation properties support correct solutions. (2.NBT.B.9)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774334781235&hashid=mVra5nyVr1","html":"<iframe src=\"https://arcade.padlet.com/embed/mVra5nyVr1\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}