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Problems include forms such as a value equals another sum or difference, plus variants using 100 minus a number and expressions like ? - 7 = 1. An answer key lists the solutions for items 1 through 20, supporting self-checking and quick review of number relationships within basic arithmetic.",{"@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/solving-mixed-problems-find-the-missing-value-465529/465529/",{"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/solving-mixed-problems-find-the-missing-value-465529/465529.png","ImageObject",300,407,{"name":92,"@type":93},"Ivy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-12","2026-09-30",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},"What do you need to do on this worksheet?","Question",{"text":112,"@type":113},"Find the missing value in each equation involving addition and subtraction.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What types of equations are included?",{"text":117,"@type":113},"Equations are written in forms like 86 = 63 + ?, 94 = ? + 32, and ? = 100-3, plus other mixed variants.",{"name":119,"@type":110,"acceptedAnswer":120},"Is there an answer key for checking work?",{"text":121,"@type":113},"Yes. 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The document provides an answers section with the solution for each numbered problem from 1 to 20.\"}]","Solving Mixed Problems (+ -) - Find the Missing Value | PDF",1790769735]