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Students follow the instruction to multiply each given number mentally without writing out the computation. The key provides the correct results for twenty problems, covering combinations such as two-digit numbers multiplied by 10 or 100 and three-digit numbers multiplied by 100 or 1,000, supporting quick accuracy 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/multiplying-by-10-100-and-1000-answer-key-mental-math-practice/478344/",{"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-mental-math-practice/478344.png","ImageObject",300,407,{"name":92,"@type":93},"Grenda","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the main skill this worksheet practices?","Question",{"text":112,"@type":113},"It practices mental multiplication by 10, 100, and 1,000.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Should students write out the full computation steps?",{"text":117,"@type":113},"No. The worksheet instructs students to use mental math and not write out the computation.",{"name":119,"@type":110,"acceptedAnswer":120},"How are the problems organized in the answer key?",{"text":121,"@type":113},"The answer key lists correct answers for problems numbered 1 through 20.","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},478344,1790826025,{"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":24,"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) 227 × 100 = 2) 5 × 10 =  \n1.  \n2.  \n3) 4 × 100 = 4) 741 × 100 =  \n3.  \n4.  \n5) 7 × 1,000 = 6) 348 × 100 =  \n5.  \n6.  \n7) 2 × 100 = 8) 185 × 100 =  \n7.  \n8.  \n9) 314 × 100 = 10) 8 × 10 =  \n9.  \n10.  \n11) 5 × 1,000 = 12) 63 × 1,000 =  \n11.  \n12.  \n13) 2 × 1,000 = 14) 19 × 1,000 =  \n13.  \n14.  \n15) 235 × 1,000 = 16) 263 × 10 =  \n15.  \n16.  \n17) 435 × 100 = 18) 966 × 10 =  \n17.  \n18.  \n19) 139 × 10 = 20) 21 × 1,000 =  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n7  \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) 227 × 100 = 22,700 2) 5 × 10 = 50  \n3) 4 × 100 = 400 4) 741 × 100 = 74,100  \n5) 7 × 1,000 = 7,000 6) 348 × 100 = 34,800  \n7) 2 × 100 = 200 8) 185 × 100 = 18,500  \n9) 314 × 100 = 31,400 10) 8 × 10 = 80  \n11) 5 × 1,000 = 5,000 12) 63 × 1,000 = 63,000  \n13) 2 × 1,000 = 2,000 14) 19 × 1,000 = 19,000  \n15) 235 × 1,000 = 235,000 16) 263 × 10 = 2,630  \n17) 435 × 100 = 43,500 18) 966 × 10 = 9,660  \n19) 139 × 10 = 1,390 20) 21 × 1,000 = 21,000  \nAnswers  \n1. 22,700 2. 50 3. 400 4. 74,100 5. 7,000 6. 34,800 7. 200 8. 18,500 9. 31,400 10. 80 11. 5,000 12. 63,000 13. 2,000 14. 19,000 15. 235,000 16. 2,630 17. 43,500 18. 9,660 19. 1,390  \n20. 21,000  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n7  \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) 227 × 100 = 2) 5 × 10 =  \n1.  \n2.  \n3) 4 × 100 = 4) 741 × 100 =  \n3.  \n4.  \n5) 7 × 1,000 = 6) 348 × 100 =  \n5.  \n6.  \n7) 2 × 100 = 8) 185 × 100 =  \n7.  \n8.  \n9) 314 × 100 = 10) 8 × 10 =  \n9.  \n10.  \n11) 5 × 1,000 = 12) 63 × 1,000 =  \n11.  \n12.  \n13) 2 × 1,000 = 14) 19 × 1,000 =  \n13.  \n14.  \n15) 235 × 1,000 = 16) 263 × 10 =  \n15.  \n16.  \n17) 435 × 100 = 18) 966 × 10 =  \n17.  \n18.  \n19) 139 × 10 = 20) 21 × 1,000 =  \n19.  \n20.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n7  \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|  |  |  |  |  |  |  |  |  |  |","cbCaipDbo0TtiMZs","https://ap.wps.com/l/cbCaipDbo0TtiMZs","pdf",45667,"English","# Multiplying by 10, 100 and 1,000\n## Answer Key (1-20)","[{\"question\":\"What is the main skill this worksheet practices?\",\"answer\":\"It practices mental multiplication by 10, 100, and 1,000.\"},{\"question\":\"Should students write out the full computation steps?\",\"answer\":\"No. The worksheet instructs students to use mental math and not write out the computation.\"},{\"question\":\"How are the problems organized in the answer key?\",\"answer\":\"The answer key lists correct answers for problems numbered 1 through 20.\"}]","Multiplying by 10, 100 and 1,000 - Answer Key - Mental Math Practice | PDF",1790791359]