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Designed for elementary-level students, the worksheet includes a series of numerical equations that challenge learners to perform basic arithmetic operations accurately. The content includes both problem sets and an integrated answer key, facilitating self-assessment or classroom instruction. It serves as an educational resource to improve fundamental mental math skills through consistent, structured practice.",{"@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/adding-and-subtracting-within-20-math-practice-worksheet/464544/",{"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/adding-and-subtracting-within-20-math-practice-worksheet/464544.png","ImageObject",300,407,{"name":92,"@type":93},"Olivia Brown","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the primary focus of this worksheet?","Question",{"text":112,"@type":113},"The worksheet focuses on improving basic addition and subtraction skills for numbers within the range of 20.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Does the document include solutions?",{"text":117,"@type":113},"Yes, the document provides an answer key that contains the correct solutions for all 20 practice problems listed.",{"name":119,"@type":110,"acceptedAnswer":120},"Who is the intended audience for these math problems?",{"text":121,"@type":113},"These problems are intended for elementary-level students who are learning or reinforcing foundational arithmetic operations.","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},464544,1790768330,{"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":8,"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":129,"read_time":39},16904993612988,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","Adding and Subtracting within 20  \nName:  \nSolve each problem.  \n1) 2 0 2)- 1  \n5) 1 7 6)- 4  \n9) 2 0 10)  \n- 4  \n13) 9 14)  \n-1  \n17) 6 18)  \n-2  \n1 7 + 3  \n1 7 + 1  \n1 4 + 6  \n1 4 + 3  \n1 0 + 6  \n3) 1 0 - 4  \n7) 6 -1  \n11) 1 6 - 5  \n15) 1 3 - 3  \n19) 1 8 - 2  \n4) 1 1 + 1  \n8) 1 5 + 1  \n12) 5 + 3  \n16) 9 + 5  \n20) 1 0 + 8  \nAnswers  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n5  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nAdding and Subtracting within 20  \nName: Answer Key  \nSolve each problem.  \n1) 2 0 2)- 1  \n1 9  \n5) 1 7 6)- 4  \n1 3  \n9) 2 0 10)  \n- 4  \n1 6  \n13) 9 14)  \n-1  \n8  \n17) 6 18)  \n-2  \n4  \n1 7 + 3  \n2 0  \n1 7 + 1  \n1 8  \n1 4 + 6  \n2 0  \n1 4 + 3  \n1 7  \n1 0 + 6  \n1 6  \n3) 1 0  \n- 4  \n6  \n7) 6  \n-1  \n5  \n11) 1 6 - 5  \n1 1  \n15) 1 3  \n- 3  \n1 0  \n19) 1 8  \n- 2  \n1 6  \n4) 1 1 + 1  \n1 2  \n8) 1 5 + 1  \n1 6  \n12) 5  \n+ 3  \n8  \n16) 9 + 5 1 4  \n20) 1 0 + 8  \n1 8  \nAnswers  \n1. 19 2. 20 3. 6 4. 12 5. 13 6. 18 7. 5 8. 16 9. 16 10. 20 11. 11 12. 8 13. 8 14. 17 15. 10 16. 14 17. 4 18. 16 19. 16  \n20. 18  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n5  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nAdding and Subtracting within 20  \nName:  \nSolve each problem. Answers  \n8 6 19 20  \n12 13 16 18 1.  \n16 20 11 5  \n2.  \n1) 2 0 2) 1 7 3) 1 0 4) 1 1 3.  \n- 1 + 3 - 4 + 1  \n4.  \n5.  \n6.  \n7.  \n8.  \n5) 1 7 6) 1 7 7) 6 8) 1 5  \n9.  \n- 4 + 1 -1 + 1  \n10.  \n11.  \n12.  \n9) 2 0 10) 1 4 11) 1 6 12) 5  \n- 4 + 6 - 5 + 3  \nMath www. CoMommi[eSheets.com](eSheets.com 5 111--1102)[ 5](eSheets.com 5 111--1102)[ 111--1102](eSheets.com 5 111--1102) 92 838 0 75 67 58 50 42 33 25 17","cbCaifyZy8vmnTd4","https://ap.wps.com/l/cbCaifyZy8vmnTd4","pdf",46643,"English","# Addition and Subtraction Practice\n## Problem Set\n## Answer Key","[{\"question\":\"What is the primary focus of this worksheet?\",\"answer\":\"The worksheet focuses on improving basic addition and subtraction skills for numbers within the range of 20.\"},{\"question\":\"Does the document include solutions?\",\"answer\":\"Yes, the document provides an answer key that contains the correct solutions for all 20 practice problems listed.\"},{\"question\":\"Who is the intended audience for these math problems?\",\"answer\":\"These problems are intended for elementary-level students who are learning or reinforcing foundational arithmetic operations.\"}]","Adding and Subtracting within 20 - Math Practice Worksheet | PDF"]