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The content centers on a library relocation scenario, requiring students to solve six multi-step problems involving inventory management, patron statistics, and algebraic equation solving. It serves as an effective learning assessment tool to reinforce arithmetic proficiency, critical thinking, and the ability to translate narrative information into mathematical equations, complete with a detailed answer key for self-evaluation.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/grade-4-word-problems-mixed-addition-and-subtraction/547867/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/grade-4-word-problems-mixed-addition-and-subtraction/547867.png","ImageObject",300,407,{"name":92,"@type":93},"\tJames","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-12","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":44},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How many fiction books are in the delivered boxes?","Question",{"text":112,"@type":113},"Since three boxes were delivered with 120 books in each, the total is 360 fiction books.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How are the library patrons categorized in the word problem?",{"text":117,"@type":113},"The library system has 238 new patrons, 145 inactive patrons, and 673 active patrons.",{"name":119,"@type":110,"acceptedAnswer":120},"What is the value of 'x' in the final equation?",{"text":121,"@type":113},"The equation is 115 + 38 + x = 174, which simplifies to 153 + x = 174, resulting in x = 21.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},547867,1791886737,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":44,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":39,"preview_page_count":4},2336474466412,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Addition and subtraction word problems  \nGrade 4 Word Problems Worksheet  \nThe library is being relocated. The librarians are busy organizing the books.  \n1. Three boxes filled with fiction books and two boxes filled with reference books were just delivered. If each box is filled with  \n120 books, how many fiction books are there?  \n2. From the boxes just delivered, a librarian takes out 40 reference books to put on the shelf. Then, she takes out another 65 reference books and leave them at the checkout counter. How many reference books are left in the boxes?  \n3. There were 445 non-fiction books but 83 went missing and 45 were transferred to another library. How many non-fiction books are left?  \n4. According to the library system, there are 238 new patrons, 145 inactive patrons and 673 active patrons. How many patrons are there in total in the library system?  \n5. There are 2,475 books in total in the library. 592 books are on loan and 137 books are missing. Out of the 592 books, 74 books are late. How many books are there in the library?  \n6. Write an equation using “x” and then solve the equation.  \nThe library bought 115 new fictions, 38 non-fiction and x new reference books. They ordered 174 books in total.  \nReading and Math for K-5 © [www.k5learning.com](www.k5learning.com)  \nAnswers  \n1. 120 + 120 + 120 = 360 There are 360 fiction books.  \n2. 120 + 120 – 40 – 65 = 135  \nThere are 135 reference books left in the boxes.  \n3. 445 – 83 – 45 = 317  \nThere are 317 non-fiction books left.  \n4. 238 + 145 + 673 = 1,056  \nThere are 1,056 patrons using the library system.  \n5. 2 ,475 – 592 – 137 = 1,746  \nThere are 1,746 books in the library.  \n6. 115 + 38 + x = 174  \n153 + x = 174 x = 21  \nThe library bought 21 new reference books.  \nReading and Math for K-5 © [www.k5learning.com](www.k5learning.com)","cbCaig5QuGNZE4vN","https://ap.wps.com/l/cbCaig5QuGNZE4vN","pdf",129277,"English","## Word Problems\n## Answer Key","[{\"question\":\"How many fiction books are in the delivered boxes?\",\"answer\":\"Since three boxes were delivered with 120 books in each, the total is 360 fiction books.\"},{\"question\":\"How are the library patrons categorized in the word problem?\",\"answer\":\"The library system has 238 new patrons, 145 inactive patrons, and 673 active patrons.\"},{\"question\":\"What is the value of 'x' in the final equation?\",\"answer\":\"The equation is 115 + 38 + x = 174, which simplifies to 153 + x = 174, resulting in x = 21.\"}]","Grade 4 Word Problems - Mixed Addition and Subtraction | PDF",1791780854]