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The document lists 20 problems and provides the corresponding computed answers only, reinforcing place-value understanding without showing step-by-step work. It covers multipliers of 10, 100, and 1,000 across single- and multi-digit factors, suitable for checking student responses and supporting rapid calculation accuracy.",{"@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/multiplying-by-10-100-and-1000-answer-key-478341/478341/",{"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/multiplying-by-10-100-and-1000-answer-key-478341/478341.png","ImageObject",300,407,{"name":92,"@type":93},"Grenda","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What does the worksheet ask students to do?","Question",{"text":112,"@type":113},"Use mental math to multiply each given number by 10, 100, or 1,000, and do not write out the computation.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How many multiplication problems are included?",{"text":117,"@type":113},"There are 20 problems in total, covering different multipliers and number sizes.",{"name":119,"@type":110,"acceptedAnswer":120},"Is this document a student worksheet or an answer key?",{"text":121,"@type":113},"This document is an answer key that provides the final answers for each of the 20 problems.","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},478341,1792980921,{"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":81,"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":143,"read_time":39},7971474921005,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Multiplying by 10, 100 and  \n1,000  \nName:  \nUse mental math to multiply each number. Do not write out the computation. Answers  \n1) 8 × 100 = 2) 45 × 10 =  \n1.  \n2.  \n3) 124 × 100 = 4) 738 × 100 =  \n3.  \n4.  \n5) 664 × 1,000 = 6) 42 × 100 =  \n5.  \n6.  \n7) 15 × 10 = 8) 644 × 10 =  \n7.  \n8.  \n9) 1 × 1,000 = 10) 43 × 10 =  \n9.  \n10.  \n11) 726 × 10 = 12) 641 × 100 =  \n11.  \n12.  \n13) 287 × 1,000 = 14) 146 × 100 =  \n13.  \n14.  \n15) 75 × 10 = 16) 491 × 10 =  \n15.  \n16.  \n17) 15 × 100 = 18) 6 × 100 =  \n17.  \n18.  \n19) 566 × 100 = 20) 957 × 1,000 =  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n4  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nMultiplying by 10, 100 and  \n1,000  \nName: Answer Key  \nUse mental math to multiply each number. Do not write out the computation.  \n1) 8 × 100 = 800 2) 45 × 10 = 450  \n3) 124 × 100 = 12,400 4) 738 × 100 = 73,800  \n5) 664 × 1,000 = 664,000 6) 42 × 100 = 4,200  \n7) 15 × 10 = 150 8) 644 × 10 = 6,440  \n9) 1 × 1,000 = 1,000 10) 43 × 10 = 430  \n11) 726 × 10 = 7,260 12) 641 × 100 = 64,100  \n13) 287 × 1,000 = 287,000 14) 146 × 100 = 14,600  \n15) 75 × 10 = 750 16) 491 × 10 = 4,910  \n17) 15 × 100 = 1,500 18) 6 × 100 = 600  \n19) 566 × 100 = 56,600 20) 957 × 1,000 = 957,000  \nAnswers  \n1. 800 2. 450 3. 12,400 4. 73,800 5. 664,000 6. 4,200 7. 150 8. 6,440 9. 1,000 10. 430 11. 7,260 12. 64,100 13. 287,000 14. 14,600 15. 750 16. 4,910 17. 1,500 18. 600 19. 56,600  \n20. 957,000  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n4  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nMultiplying by 10, 100 and  \n1,000  \nName:  \nUse mental math to multiply each number. Do not write out the computation. Answers  \n1) 8 × 100 = 2) 45 × 10 =  \n1.  \n2.  \n3) 124 × 100 = 4) 738 × 100 =  \n3.  \n4.  \n5) 664 × 1,000 = 6) 42 × 100 =  \n5.  \n6.  \n7) 15 × 10 = 8) 644 × 10 =  \n7.  \n8.  \n9) 1 × 1,000 = 10) 43 × 10 =  \n9.  \n10.  \n11) 726 × 10 = 12) 641 × 100 =  \n11.  \n12.  \n13) 287 × 1,000 = 14) 146 × 100 =  \n13.  \n14.  \n15) 75 × 10 = 16) 491 × 10 =  \n15.  \n16.  \n17) 15 × 100 = 18) 6 × 100 =  \n17.  \n18.  \n19) 566 × 100 = 20) 957 × 1,000 =  \n19.  \n20.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n4  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \n\n|  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  |  |  |  |  |  |  |  |","cbCaie4fD6hxw2AE","https://ap.wps.com/l/cbCaie4fD6hxw2AE","pdf",45676,"English","# Answer Key\n## Problems 1-20","[{\"question\":\"What does the worksheet ask students to do?\",\"answer\":\"Use mental math to multiply each given number by 10, 100, or 1,000, and do not write out the computation.\"},{\"question\":\"How many multiplication problems are included?\",\"answer\":\"There are 20 problems in total, covering different multipliers and number sizes.\"},{\"question\":\"Is this document a student worksheet or an answer key?\",\"answer\":\"This document is an answer key that provides the final answers for each of the 20 problems.\"}]","Multiplying by 10, 100 and 1,000 - Answer Key | PDF",1790791352]