[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-358866-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-358866-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","decimal-word-problems-addingsubtracting","Decimal Word Problems (Adding/Subtracting)","","A K-12 math worksheet focused on adding and subtracting decimals through practical word problems set in laboratory contexts. Learners solve 13 problems involving volumes in milliliters and liters, masses in grams, temperature readings in °C, and a length measurement in centimeters. Students must show their work and write each answer as a complete sentence. An answer key provides the correct results for all items, including a multi-step challenge problem comparing reagent use across experiments.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/decimal-word-problems-addingsubtracting/358866/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/decimal-word-problems-addingsubtracting/358866.png","ImageObject",300,407,{"name":42,"@type":43},"Ophelia","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-24","2026-09-23",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",9,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What kinds of measurements do the word problems use in this worksheet?","Question",{"text":63,"@type":64},"The worksheet uses milliliters (mL), liters (L), grams (g), degrees Celsius (°C), and centimeters (cm). Problems ask learners to add or subtract these quantities.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"What is required for each problem in the directions?",{"text":68,"@type":64},"Students must solve each problem, show their work, and write the answer in a complete sentence.",{"name":70,"@type":61,"acceptedAnswer":71},"Is there a challenge problem on the worksheet?",{"text":72,"@type":64},"Yes. Problem 13 is labeled “Challenge Problem” and involves reagent amounts across Experiments A, B, and C using addition and subtraction.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},358866,1790445852,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,100,105,110,115,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":93,"slug":94},70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},6,"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},7,"Healthcare",40,"healthcare",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":112,"show_sort_weight":113,"slug":114},8,"Research & Report",30,"research-report",{"id":55,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":82,"data":131},{"doc_id":79,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":30,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":143,"read_time":111,"preview_page_count":4},7971461741311,"https://ap-avatar.wpscdn.com/avatar/74000253aff267980c6?x-image-process=image/resize,m_fixed,w_180,h_180&k=1779345379180704826","Name:  \n_________________________________________  \nDecimal Word Problems (Adding/Subtracting)  \nDirections: Solve each problem. Show your work.  \nWrite your answer in a complete sentence.  \n1. Dr. Vega measured 2.75 mL of a blue solution and 3.40 mL of a clear solution. How many milliliters of solution did she measure in all?  \nAnswer:    \n2. Dr. Vega recorded that a sample’s mass was 4.6 g in Trial 1 and 3.85 g in Trial 2. What was the total mass across both trials?  \nAnswer:    \n3. Dr. Vega poured 1.25 L of distilled water into a tank and then added 0.80 L more. How many liters of water are in the tank now?  \nAnswer:    \n4. A beaker held 12.5 mL of liquid. After testing, Dr. Vega removed 3.75 mL. How many milliliters of liquid are left?  \nAnswer:    \n5. A small container of powder has a mass of 5.08 g. Dr. Vega adds 1.9 g more powder. What is the total mass of the powder now?  \nAnswer:    \n6. Dr. Vega had 20.75 mL of a chemical solution. She used 8.6 mL for an experiment. How many milliliters of solution are left?  \nAnswer:    \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)  \n7. In a temperature test, the lab thermometer read 6.25°C at 9:00 a. m. and 5.7°C at 10:00  \na. m. What is the sum of the two temperature readings?  \nAnswer:    \n8. Dr. Vega prepared 9.5 mL of a cleaning solution. She used 2.38 mL to rinse equipment. How many milliliters are left?  \nAnswer:    \n9. The lab started the day with 48.60 g of salt. Dr. Vega used 19.75 g for a mixture. How many grams of salt are left?  \nAnswer:    \n10. A glass tube was 7.35 cm long. Dr. Vega cut off 2.8 cm for a model. How long is the tube now?  \nAnswer:    \n11. A sample’s mass was 42.8 g before heating. After heating, the mass decreased by 3.65  \ng. What is the sample’s new mass?  \nAnswer:    \n12.Dr. Vega combined 1.75 L of a solution with 0.95 L of another solution. How many liters of solution are there in all?  \nAnswer:    \n13. Challenge Problem: Dr. Vega used 1.35 mL of a reagent in Experiment A and 1.8 mL in Experiment B. In Experiment C, she used 0.75 mL less than the total amount used in Experiments A and B. How many milliliters did she use in Experiment C?  \nAnswer:    \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. Dr. Vega measured 6.15 mL of solution in all.  \n2. The total mass across both trials was 8.45 g.  \n3. There are 2.05 L of water in the tank now.  \n4. There are 8.75 mL of liquid left.  \n5. The total mass of the powder is 6.98 g.  \n6. There are 12.15 mL of solution left.  \n7. The sum of the two temperature readings is 11.95°C.  \n8. There are 7.12 mL of cleaning solution left.  \n9. There are 28.85 g of salt left.  \n10. The tube is 4.55 cm long now.  \n11. The sample’s new mass is 39.15 g.  \n12. There are 2.70 L of solution in all.  \n13. She used 2.40 mL in Experiment C.  \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","cbCaihTFSapORIcm","https://ap.wps.com/l/cbCaihTFSapORIcm","pdf",1611611,"English","# Decimal Word Problems (Adding/Subtracting)\n## Practice Problems\n## Answer Key","[{\"question\":\"What kinds of measurements do the word problems use in this worksheet?\",\"answer\":\"The worksheet uses milliliters (mL), liters (L), grams (g), degrees Celsius (°C), and centimeters (cm). Problems ask learners to add or subtract these quantities.\"},{\"question\":\"What is required for each problem in the directions?\",\"answer\":\"Students must solve each problem, show their work, and write the answer in a complete sentence.\"},{\"question\":\"Is there a challenge problem on the worksheet?\",\"answer\":\"Yes. Problem 13 is labeled “Challenge Problem” and involves reagent amounts across Experiments A, B, and C using addition and subtraction.\"}]","Decimal Word Problems (Adding/Subtracting) | PDF",1790135511]