{"product_id":"montessori-addition-working-chart-problems-slips-510500310","title":"Addition Working Chart Problems Slips","description":"\u003cp\u003eThe problem slips are used with the Addition Working Charts to practice addition equations. A set of unit addition equations slips to be used with the Addition Working Chart.\u003c\/p\u003e","brand":"Montessori Outlet, Inc.","offers":[{"title":"Default Title","offer_id":54751605620904,"sku":"510500310","price":3.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4288\/9896\/files\/510500310.png?v=1775811869","url":"https:\/\/montessorioutlet.com\/products\/montessori-addition-working-chart-problems-slips-510500310","provider":"Montessori Outlet, Inc.","version":"1.0","type":"link"}