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The worksheet provides 20 multiplication problems labeled 1) through 20), with problems such as 7 × 1,000, 83 × 10, 125 × 10, and 665 × 100. An answer key lists the corresponding results in sequence, enabling fast checking and reinforcement of place-value reasoning.",{"@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-use-mental-math/478335/",{"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-use-mental-math/478335.png","ImageObject",300,407,{"name":92,"@type":93},"Mabel","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 method should be used to solve the multiplication problems?","Question",{"text":112,"@type":113},"Use mental math to multiply each number. Do not write out the computation.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which multiplication factors appear in the worksheet?",{"text":117,"@type":113},"The worksheet uses multipliers of 10, 100, and 1,000.",{"name":119,"@type":110,"acceptedAnswer":120},"Is there an answer key included for all problems?",{"text":121,"@type":113},"Yes. 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Do not write out the computation. Answers  \n1) 7 × 1,000 = 2) 83 × 10 =  \n1.  \n2.  \n3) 125 × 10 = 4) 1 × 10 =  \n3.  \n4.  \n5) 31 × 1,000 = 6) 837 × 10 =  \n5.  \n6.  \n7) 84 × 1,000 = 8) 1 × 1,000 =  \n7.  \n8.  \n9) 5 × 1,000 = 10) 2 × 100 =  \n9.  \n10.  \n11) 815 × 10 = 12) 731 × 10 =  \n11.  \n12.  \n13) 4 × 10 = 14) 665 × 100 =  \n13.  \n14.  \n15) 328 × 1,000 = 16) 6 × 100 =  \n15.  \n16.  \n17) 257 × 100 = 18) 276 × 10 =  \n17.  \n18.  \n19) 369 × 100 = 20) 633 × 100 =  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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) 7 × 1,000 = 7,000 2) 83 × 10 = 830  \n3) 125 × 10 = 1,250 4) 1 × 10 = 10  \n5) 31 × 1,000 = 31,000 6) 837 × 10 = 8,370  \n7) 84 × 1,000 = 84,000 8) 1 × 1,000 = 1,000  \n9) 5 × 1,000 = 5,000 10) 2 × 100 = 200  \n11) 815 × 10 = 8,150 12) 731 × 10 = 7,310  \n13) 4 × 10 = 40 14) 665 × 100 = 66,500  \n15) 328 × 1,000 = 328,000 16) 6 × 100 = 600  \n17) 257 × 100 = 25,700 18) 276 × 10 = 2,760  \n19) 369 × 100 = 36,900 20) 633 × 100 = 63,300  \nAnswers  \n1. 7,000 2. 830 3. 1,250 4. 10 5. 31,000 6. 8,370 7. 84,000 8. 1,000 9. 5,000 10. 200 11. 8,150 12. 7,310 13. 40 14. 66,500 15. 328,000 16. 600 17. 25,700 18. 2,760 19. 36,900  \n20. 63,300  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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) 7 × 1,000 = 2) 83 × 10 =  \n1.  \n2.  \n3) 125 × 10 = 4) 1 × 10 =  \n3.  \n4.  \n5) 31 × 1,000 = 6) 837 × 10 =  \n5.  \n6.  \n7) 84 × 1,000 = 8) 1 × 1,000 =  \n7.  \n8.  \n9) 5 × 1,000 = 10) 2 × 100 =  \n9.  \n10.  \n11) 815 × 10 = 12) 731 × 10 =  \n11.  \n12.  \n13) 4 × 10 = 14) 665 × 100 =  \n13.  \n14.  \n15) 328 × 1,000 = 16) 6 × 100 =  \n15.  \n16.  \n17) 257 × 100 = 18) 276 × 10 =  \n17.  \n18.  \n19) 369 × 100 = 20) 633 × 100 =  \n19.  \n20.  \nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9  \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|  |  |  |  |  |  |  |  |  |  |","cbCaihOviE4g295x","https://ap.wps.com/l/cbCaihOviE4g295x","pdf",45710,"English","# Instructions\n## Use mental math\n# Answer Key\n## Problems 1-20","[{\"question\":\"What method should be used to solve the multiplication problems?\",\"answer\":\"Use mental math to multiply each number. Do not write out the computation.\"},{\"question\":\"Which multiplication factors appear in the worksheet?\",\"answer\":\"The worksheet uses multipliers of 10, 100, and 1,000.\"},{\"question\":\"Is there an answer key included for all problems?\",\"answer\":\"Yes. The answer key provides answers for problems 1 through 20 in order.\"}]","Multiplying by 10, 100 and 1,000 - Answer Key - Use mental math | PDF",1790791342]