[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-545877-105":59,"doc-detail-545877-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","grade-4-addition-mental-math-3-digit-and-1-digit-numbers-practice-worksheet","Grade 4 Addition - Mental Math 3-Digit and 1-Digit Numbers - Practice Worksheet","","This Grade 4 addition worksheet provides twenty practice problems focused on mental math, specifically adding a 1-digit number to a 3-digit number. The document is designed to enhance student fluency in performing quick arithmetic calculations without the use of standard column-based addition. By presenting a series of arithmetic exercises, the worksheet helps students develop speed and accuracy in number sense. The document includes both the problem sets and a corresponding answer key to facilitate self-assessment and educational review.",{"@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-addition-mental-math-3-digit-and-1-digit-numbers-practice-worksheet/545877/",{"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-addition-mental-math-3-digit-and-1-digit-numbers-practice-worksheet/545877.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-09","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What type of addition problems are included in this worksheet?","Question",{"text":112,"@type":113},"The worksheet consists of problems requiring the addition of a 3-digit number and a 1-digit number.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Who is this worksheet designed for?",{"text":117,"@type":113},"This worksheet is designed for students in Grade 4 to help improve their mental math skills.",{"name":119,"@type":110,"acceptedAnswer":120},"Does this document include solutions?",{"text":121,"@type":113},"Yes, the document provides an answer key containing the sums for all twenty problems listed.","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},545877,1791775669,{"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":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"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":24,"preview_page_count":4},1099514068035,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Mental math: adding 3-digit and 1-digit numbers  \nGrade 4 Addition Worksheet  \nFind the sum .  \n1. 615 + 3 =   2. 942 + 6 =   3. 587 + 6 =   4. 664 + 7 =   5. 112 + 8 =   6. 120 + 4 =   7. 880 + 4 =   8. 357 + 2 =   9. 901 + 2 =   10. 820 + 5 =    \n11. 553 + 1 =   12. 471 + 7 =   13. 785 + 6 =   14. 151 + 2 =   15. 362 + 3 =   16. 250 + 4 =   17. 187 + 6 =   18. 628 + 3 =   19. 300 + 2 =   20. 869 + 5 =    \nMental math: adding 3-digit and 1-digit numbers  \nGrade 4 Addition Worksheet  \nFind the sum .  \n1. 615 + 3 =  618  2. 942 + 6 =  948   \n3. 587 + 6 =  593  4. 664 + 7 =  671   \n5. 112 + 8 =  120  6. 120 + 4 =  124   \n7. 880 + 4 =  884  8. 357 + 2 =  359   \n9. 901 + 2 =  903  10. 820 + 5 =  825   \n11. 553 + 1 =  554  12. 471 + 7 =  478   \n13. 785 + 6 =  791  14. 151 + 2 =  153   \n15. 362 + 3 =  365  16. 250 + 4 =  254   \n17. 187 + 6 =  193  18. 628 + 3 =  631   \n19. 300 + 2 =  302  20. 869 + 5 =  874","cbCaia1u01OpsrPD","https://ap.wps.com/l/cbCaia1u01OpsrPD","pdf",12972,"English","# Mental Math Exercises\n## Answer Key","[{\"question\":\"What type of addition problems are included in this worksheet?\",\"answer\":\"The worksheet consists of problems requiring the addition of a 3-digit number and a 1-digit number.\"},{\"question\":\"Who is this worksheet designed for?\",\"answer\":\"This worksheet is designed for students in Grade 4 to help improve their mental math skills.\"},{\"question\":\"Does this document include solutions?\",\"answer\":\"Yes, the document provides an answer key containing the sums for all twenty problems listed.\"}]","Grade 4 Addition - Mental Math 3-Digit and 1-Digit Numbers - Practice Worksheet | PDF"]