{"product_id":"a-focus-on-ratios-and-proportions-studies-in-mathematical-thinking-and-learning-series","title":"A Focus on Ratios and Proportions (Studies in Mathematical Thinking and Learning Series)","description":"\u003cspan data-mce-fragment=\"1\"\u003eThis resource offers a groundbreaking effort to make mathematics education research on ratios and proportions readily accessible and understandable to preservice and in-service teachers of grades 6 to 8. Using extensive annotated samples of student work and based on research gathered in the Ongoing Assessment Project (OGAP), \u003c\/span\u003e\u003cspan class=\"a-text-italic\" data-mce-fragment=\"1\"\u003eA Focus on Ratios and Proportions\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e teaches readers how students develop understanding and fluency involving ratio and proportion concepts.\u003c\/span\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":42394670203115,"sku":"0","price":26.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0540\/4842\/4118\/products\/image_e8227ff1-942e-4442-8ef9-d1c9cb87a77c.jpg?v=1661957279","url":"https:\/\/this-one-junk.myshopify.com\/products\/a-focus-on-ratios-and-proportions-studies-in-mathematical-thinking-and-learning-series","provider":"The Junk Store","version":"1.0","type":"link"}