https:\/\/youtu.be\/BEkR9CesoWE<\/a><\/center><\/p>\nOne of the initial stumbling blocks in doing mental multiplication is you might forget that multiplying larger numbers requires breaking those larger numbers into more manageable pieces. <\/p>\n
For instance, if you see 17 x 6, you might think I can\u2019t multiply 17 times anything, except maybe one or two. But the thing is you don\u2019t want to think of 17 x 6 as multiplying 17 times anything. I know, kind of crazy, right? But here\u2019s how you do it:<\/p>\n
You break up 17 into two manageable numbers that you can both multiply times 6. Then, add the result of those two numbers to get the answer. Sure, you could 9 and 8, meaning (9 x 6) + (9 x 8), but the easiest way is to choose a number ending in a zero<\/strong>, since those numbers are easiest to multiply. <\/p>\nFor example, 17 can be broken into 10 and 7. (Remember: 7 + 10 = 17). Multiplying the 6 by 10 should be pretty instantaneous: it equals 60. That leaves the 7, giving us 7 x 6 = 42. Adding those two gives us 42 + 60 = 102. <\/p>\n
An important point is not to think of this as a writing exercise, in which you write 10 x 7 and 6 x 7. Multiplying these out the traditional way\u2014pencil and paper\u2014would work best. But when doing numbers in your head, breaking them up this way makes things a lot easier. What you are doing is multiplying the 10 x 6, then keeping that 60 \u201con hold\u201d, while you multiply 6 x 7. Then you add that 60 to the 42. <\/p>\n
What happens when you have a slightly larger number?<\/strong> Say 32 x 8? <\/p>\nOne way would be to multiply 10 x 8 three times. But a faster way is to multiply 30 x 8, since 30 is a number ending in zero that is closest to 32. This gives us 30 x 8, which is the same as 3 x 8 with a zero at the end: 24, adding a zero at the end, gives us 240. We put this number \u201con hold\u201d and then we multiply the 2 left over (remember, our original number was 32) times the 8: 2 x 8 = 16. We add this to the number \u201con hold\u201d\u2014240\u2014giving us 240 + 16 = 256. <\/p>\n
Check out the video for more SAT mental math practice!
\n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"The new SAT Math test (with its no calculator section) requires you to flex your mental math muscles. Here’s a better way to multiply numbers in your head.<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[91],"tags":[38],"ppma_author":[24882],"class_list":["post-7235","post","type-post","status-publish","format-standard","hentry","category-all","tag-sat-math-strategies"],"acf":[],"yoast_head":"\n
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He's been quoted as a subject expert in many publications, including US News, GMAC, and Business Because.","sameAs":["https:\/\/www.facebook.com\/ChrisLeleMagoosh1\/","ttps:\/\/www.linkedin.com\/in\/chris-lele-095005a0","https:\/\/twitter.com\/chrismagoosh","https:\/\/www.youtube.com\/channel\/UCZ4sGYJ6l0cgnVNIHY8GY6w"],"knowsAbout":["GRE","GMAT","SAT","ACT","MCAT (CARS)","LSAT"],"jobTitle":"Principal Curriculum Manager","worksFor":"Magoosh","url":"https:\/\/magoosh.com\/sat\/author\/chris\/"}]}},"authors":[{"term_id":24882,"user_id":10,"is_guest":0,"slug":"chris","display_name":"Chris Lele","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/39381a6b4ab74cd4c87c7e678683c33c3b18f1e14f6f0ac762a946185968952b?s=96&d=mm&r=g","user_url":"","last_name":"Lele","first_name":"Chris","description":"Chris Lele is the Principal Curriculum Manager (and <a href=\"https:\/\/www.amazon.com\/Vocabulary-Builder-Workbook-Activities-Must-Know\/dp\/193975481X\" rel=\"noopener noreferrer\">vocabulary wizard<\/a>) at Magoosh. Chris graduated from UCLA with a BA in Psychology and has 20 years of experience in the test prep industry. He's been quoted as a subject expert in many publications, including<a href=\"https:\/\/www.usnews.com\/education\/best-colleges\/slideshows\/10-test-prep-tips-for-sat-and-act-takers\" rel=\"noopener noreferrer\"> US News<\/a>,<a href=\"https:\/\/www.mba.com\/exams-and-exam-prep\/gmat-exam\/why-take-the-gmat-in-2021-when-many-schools-are-test-optional\" rel=\"noopener noreferrer\"> GMAC<\/a>, and<a href=\"https:\/\/www.businessbecause.com\/news\/gmat\/3263\/mba-admissions-gre-challenges-gmat\" rel=\"noopener noreferrer\"> Business Because<\/a>.\r\n\r\n\r\nIn his time at Magoosh, Chris has taught countless students how to tackle the<a href=\"https:\/\/www.amazon.com\/GRE-Prep-Magoosh\/dp\/1939418917\/\" rel=\"noopener noreferrer\"> GRE<\/a>, GMAT, SAT, ACT, MCAT (CARS), and LSAT exams with confidence. Some of his students have even gone on to get near-perfect scores. You can find Chris on <a href=\"https:\/\/www.youtube.com\/channel\/UCZ4sGYJ6l0cgnVNIHY8GY6w\">YouTube<\/a>,<a href=\"https:\/\/www.linkedin.com\/in\/chris-lele-095005a0\"> LinkedIn<\/a>, <a href=\"https:\/\/twitter.com\/chrismagoosh\">Twitter<\/a> and <a href=\"https:\/\/www.facebook.com\/ChrisLeleMagoosh1\/\">Facebook<\/a>!"}],"_links":{"self":[{"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/posts\/7235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/comments?post=7235"}],"version-history":[{"count":0,"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/posts\/7235\/revisions"}],"wp:attachment":[{"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/media?parent=7235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/categories?post=7235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/tags?post=7235"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/magoosh.com\/sat\/wp-json\/wp\/v2\/ppma_author?post=7235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}