{"product_id":"assessing-math-conceptsconcept-9-twodigit-addition-and-subtraction-18311","title":"Assessing Math O\/P Concepts—Concept 9: Two–Digit Addition and Subtraction","description":"\u003cp\u003eTwo–Digit Addition and Subtraction helps determine whether children can use what they have learned about single digit operations to add and subtract two-digit numbers competently and to establish that they can describe how to solve problems.    \"Assessing Math Concepts\" is a nine-part series of assessments that focus on core concepts that must be in place if children are to understand and be successful in mathematics. The information that is gathered and organized helps the teacher’s awareness of the important steps in the learning process and provides information for instructional decision making.\u003c\/p\u003e","brand":"Nova Scotia School Book Bureau","offers":[{"title":"Default Title","offer_id":43663011217468,"sku":null,"price":26.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3677\/6508\/files\/9780972423885.jpg?v=1762959340","url":"https:\/\/nssbb.ednet.ns.ca\/products\/assessing-math-conceptsconcept-9-twodigit-addition-and-subtraction-18311","provider":"Nova Scotia School Book Bureau","version":"1.0","type":"link"}