{"id":1124,"date":"2015-11-17T07:53:57","date_gmt":"2015-11-17T07:53:57","guid":{"rendered":"http:\/\/race4job.com\/blog\/?p=1124"},"modified":"2015-12-15T08:18:00","modified_gmt":"2015-12-15T08:18:00","slug":"maths-tricks-and-shortcuts-10","status":"publish","type":"post","link":"https:\/\/www.race4job.com\/blog\/maths-tricks-and-shortcuts-10\/","title":{"rendered":"SQUARING ANY TWO-DIGIT NUMBER ENDING IN 5"},"content":{"rendered":"<p><strong>SQUARING ANY TWO-DIGIT NUMBER ENDING IN 5<\/strong><br \/>\nSquaring a two-digit number ending in 5 is a special case of the short cut for multiplying any two-digit numbers ending in 5. In this particular case, the tens digits are equal.<\/p>\n<p><strong>Rule<\/strong>: Multiply one more than the tens digit by the original tens digit and affix 25 to the result.<br \/>\nFor example, we shall square 45. First, add 1 to the tens digit.<br \/>\n4 + 1 = 5<\/p>\n<p>Next, multiply by the original tens digit.<\/p>\n<p>4 x 5 = 20<\/p>\n<p>To this affix 25.<\/p>\n<p>2,025<\/p>\n<p>and we have the answer.<\/p>\n<p>45 x 45 = 2,025<\/p>\n<p>Remember to merely attach the 25 to the product: do not add it to the product.<\/p>\n<p>From this rule we see that the square of any two-digit number ending in 5 always has 5 as its units digit and 2 as its tens digit.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQUARING ANY TWO-DIGIT NUMBER ENDING IN 5 Squaring a two-digit number ending in 5 is a special case of the short cut for multiplying any two-digit numbers ending in 5. In this particular case, the tens digits are equal. Rule: Multiply one more than the tens digit by the original tens digit and affix 25 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1124","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts\/1124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/comments?post=1124"}],"version-history":[{"count":1,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts\/1124\/revisions"}],"predecessor-version":[{"id":1439,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/posts\/1124\/revisions\/1439"}],"wp:attachment":[{"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/media?parent=1124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/categories?post=1124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.race4job.com\/blog\/wp-json\/wp\/v2\/tags?post=1124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}