{"product_id":"510500360","title":"Subtraction Working Charts Problems Slips","description":"\u003cp\u003eThe problem slips are used with the Subtraction Working Charts to practice subtraction. A set of unit subtraction equations slips to be used with the Subtraction Working Chart.\u003c\/p\u003e","brand":"Montessori Outlet, Inc.","offers":[{"title":"Default Title","offer_id":54751606800552,"sku":"510500360","price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4288\/9896\/files\/510500360.png?v=1775810749","url":"https:\/\/montessorioutlet.com\/products\/510500360","provider":"Montessori Outlet, Inc.","version":"1.0","type":"link"}