{"product_id":"proportional-reasoning-9781881431787","title":"Proportional Reasoning","description":"\u003cp\u003eGrades 6-9; 35 activities - 224 pages; Students use mirrors  shadows  toy cars  and even their own bodies to explore ratios  proportions  percents  scale  similarity  and linear functions. These activities provide a natural bridge to help students move from their numeric experiences in elementary school to developing algebraic concepts. Includes CD with printable student pages.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":67923736461365,"sku":"ByrdShop_1881431789","price":59.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9781881431787.jpg?v=1794113160","url":"https:\/\/atxbooks.com\/products\/proportional-reasoning-9781881431787","provider":"ATX Books","version":"1.0","type":"link"}