{"id":6372,"date":"2012-01-13T13:24:34","date_gmt":"2012-01-13T05:24:34","guid":{"rendered":"http:\/\/www.intmath.com\/blog\/?p=6372"},"modified":"2016-07-01T09:15:59","modified_gmt":"2016-07-01T01:15:59","slug":"friday-math-movie-using-slope-to-bust-a-magic-trick","status":"publish","type":"post","link":"https:\/\/www.intmath.com\/blog\/videos\/friday-math-movie-using-slope-to-bust-a-magic-trick-6372","title":{"rendered":"Friday math movie: Using slope to bust a magic trick"},"content":{"rendered":"<p>You've probably seen this famous puzzle.<\/p>\n<div class=\"imgCenter\"><img loading=\"lazy\" src=\"\/blog\/wp-content\/images\/2011\/12\/fake-dissect.gif\" alt=\"8x8 square becomes 5x13\" width=\"434\" height=\"160\"\/><\/div>\n<p>On the left is a square with sides 8 units. This gives us 64 small squares. After cutting the square into 4 pieces as shown, we can re-arrange them to give a rectangle with dimensions 13 &times; 5 units. This gives us 65 small squares.<\/p>\n<p>Where did the extra square come from?<\/p>\n<p>Try to solve it before watching the video!<\/p>\n<p>This week's movie gives us some insight into this problem.<\/p>\n<div class=\"videoBG\">\n<iframe title=\"YouTube video player\" width=\"480\" height=\"303\" src=\"https:\/\/www.youtube.com\/embed\/nvY55vHHCYw\" frameborder=\"0\" allowfullscreen><\/iframe>\n<\/div>\n<p>Video by: Math Pickle.<\/p>\n<p class=\"alt\">See the <a href=\"https:\/\/www.intmath.com\/blog\/videos\/friday-math-movie-using-slope-to-bust-a-magic-trick-6372#comments\" id=\"comms\">3 Comments<\/a> below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.intmath.com\/blog\/videos\/friday-math-movie-using-slope-to-bust-a-magic-trick-6372\"><img loading=\"lazy\" alt=\"Using slope of a line to solve a magic trick\" src=\"\/blog\/wp-content\/images\/2011\/12\/8x8square.png\" title=\"Using slope of a line to solve a magic trick\" width=\"128\" height=\"100\" class=\"imgRt\" \/><\/a><br \/>\nWhere did the missing square go? We can use slopes of lines to solve this puzzle.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":""},"categories":[105],"tags":[128],"_links":{"self":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/6372"}],"collection":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/comments?post=6372"}],"version-history":[{"count":0,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/posts\/6372\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/media?parent=6372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/categories?post=6372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.intmath.com\/blog\/wp-json\/wp\/v2\/tags?post=6372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}