[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-360127-105":59,"doc-detail-360127-en":131},{"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":124,"head_meta":126,"extra_data":128,"updated_unix":130},105,"en","add-3-numbers-2-4-digit-addends","Add 3 Numbers - 2-4 Digit Addends","","This educational worksheet provides a series of arithmetic exercises designed to help students practice adding three numbers with varying digit lengths ranging from 2 to 4 digits. The material is structured into three progressive difficulty levels: Warm-Up, Core Practice, and Challenge Practice, followed by a real-world word problem regarding book collection totals. An answer key is included at the end to support self-assessment. This resource is ideal for elementary and middle school mathematics curriculum support, focusing on multi-digit addition proficiency and rounding skills. 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Show neat work.  \nPart A—Warm-Up (2-digit addends) (1–4)  \n1. 36 + 45 + 28 =    \n2. 57 + 24 + 19 =    \n3. 68 + 17 + 42 =    \n4. 91 + 26 + 33 =    \nPart B—Core Practice (3-digit addends) (5–10)  \n5. 318 + 246 + 159 =    \n6. 405 + 287 + 196 =    \n7. 672 + 138 + 245 =    \n8. 529 + 376 + 418 =    \n9. 704 + 219 + 367 =    \n10. 846 + 155 + 399 =    \nPart C—Challenge Practice (mixed 2–4 digits) (11–14)  \n11. 1,506 + 284 + 97 =    \n12. 2,340 + 675 + 58 =    \n13. 3,208 + 496 + 135 =    \n14. 4,012 + 389 + 246 =    \n1  \nMashup Math LLC | Al[l Rights Reserved | Get More K-12 Math Worksheets at ](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)[www.mashupmath.com](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)  \nChallenge Problem (Show your thinking)  \n15. A school is collecting books for a community library.  \n• Grade 4 collected 1,184 books.  \n• Grade 5 collected 927 books.  \n• Grade 6 collected 1,356 books.  \na) How many books did they collect in all?    \nb) About how many books is that rounded to the nearest hundred?  \n____________  \n2  \nMashup Math LLC | Al[l Rights Reserved | Get More K-12 Math Worksheets at ](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)[www.mashupmath.com](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)  \nAnswer Key  \n1. 109 2. 100 3. 127 4. 150 5. 723 6. 888 7. 1,055 8. 1,323 9. 1,290 10. 1,400 11. 1,887 12. 3,073 13. 3,839  \n14. 4,647  \n15a) 3,467  \n15b) 3,500  \nMashup Math LLC | Al[l Rights Reserved | Get More K-12 Math Worksheets at ](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)[www.mashupmath.com](l Rights Reserved | Get More K-12 Math Worksheets at www.mashupmath.com)  \n3","cbCaicngHQ5LU28I","https://ap.wps.com/l/cbCaicngHQ5LU28I","pdf",1170055,"English","# Warm-Up Exercises\n## 2-Digit Addends\n# Core Practice\n## 3-Digit Addends\n# Challenge Practice\n## Mixed 2-4 Digit Addends\n# Word Problem\n## Book Collection Analysis","[{\"question\":\"What is the goal of this worksheet?\",\"answer\":\"The worksheet aims to help students practice adding three numbers with 2 to 4 digits through various levels of difficulty.\"},{\"question\":\"How many levels of practice are included in the worksheet?\",\"answer\":\"There are three levels: Part A (Warm-Up), Part B (Core Practice), and Part C (Challenge Practice).\"},{\"question\":\"What does the challenge problem at the end ask?\",\"answer\":\"The challenge problem asks students to calculate the total number of books collected by three grades and then round that sum to the nearest hundred.\"}]","Add 3 Numbers - 2-4 Digit Addends | PDF",1790138826]