{"type":"rich","version":"1.0","title":"Addition and Subtraction Strategies","description":"Players study flashcards that show an equation on the front and a quick strategy on the back, such as 'make ten' or 'count on 2.' The cards support practice and review of efficient ways to add and subtract within 20. (1.OA.C.6)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774334241499&hashid=v5j1Mml3jW","html":"<iframe src=\"https://arcade.padlet.com/embed/v5j1Mml3jW\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}