{"id":495,"date":"2022-04-12T10:45:43","date_gmt":"2022-04-12T10:45:43","guid":{"rendered":"http:\/\/7thclass.deltapublications.in\/?page_id=495"},"modified":"2024-01-19T04:58:52","modified_gmt":"2024-01-19T04:58:52","slug":"y-3-mean-median-mode-and-range-find-the-missing-number","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/y-3-mean-median-mode-and-range-find-the-missing-number\/","title":{"rendered":"Y.3 Mean, median, mode and range: find the missing number"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-huge-font-size\" style=\"color:#00056d;text-transform:uppercase\"> Mean, median, mode, and range: find the missing number<\/h2>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\">key notes:<\/p>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#c7f3af\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>The mean is the average of the numbers. You find the mean by adding the numbers together and then dividing by the number of numbers in the group.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f29c9c\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>The range is the difference between the greatest number and the least number.<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-align-center has-text-color has-large-font-size\" style=\"color:#105000\"><strong>Learn with an example<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f7adec\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u27a1\ufe0f Dan has the following data:<\/p>\n\n\n\n<p>16  m  19  20<\/p>\n\n\n\n<p class=\"has-text-color\" style=\"color:#b00012\"><strong>If the mean is 18, which number could\u00a0m\u00a0be?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>17<\/li>\n\n\n\n<li>5<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>There are 4 numbers in the group.<\/p>\n\n\n\n<p>Try m = 17.<\/p>\n\n\n\n<p>Find the sum of the numbers.<\/p>\n\n\n\n<p>16 + 17 + 19 + 20 = 72<\/p>\n\n\n\n<p>Divide by 4.<\/p>\n\n\n\n<p>72 \u00f7 4 = 18<\/p>\n\n\n\n<p>When m = 17, the mean is 18.<\/p>\n\n\n\n<p>Try m = 5.<\/p>\n\n\n\n<p>Find the sum of the numbers.<\/p>\n\n\n\n<p>16 + 5 + 19 + 20 = 60<\/p>\n\n\n\n<p>Divide by 4.<\/p>\n\n\n\n<p>60 \u00f7 4 = 15<\/p>\n\n\n\n<p>When m = 5, the mean is 15.<\/p>\n\n\n\n<p>The mean is 18, so m = 17.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f0e28a\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u27a1\ufe0f Nicholas has the following data:<\/p>\n\n\n\n<p>15  s  17  13  20<\/p>\n\n\n\n<p class=\"has-text-color\" style=\"color:#b00012\"><strong>If the range is 7, which number could s be?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1<\/li>\n\n\n\n<li>16<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>Try&nbsp;<em>s<\/em>&nbsp;= 1.<\/p>\n\n\n\n<p>Arrange the numbers from least to greatest.<\/p>\n\n\n\n<p>1  13  15  17  20<\/p>\n\n\n\n<p>Subtract the least number from the greatest number.<\/p>\n\n\n\n<p>20 \u2212 1 = 19<\/p>\n\n\n\n<p>When s = 1, the range is 19.<\/p>\n\n\n\n<p>Try s = 16.<\/p>\n\n\n\n<p>Arrange the numbers from least to greatest.<\/p>\n\n\n\n<p>13  15  16  17  20<\/p>\n\n\n\n<p>Subtract the least number from the greatest number.<\/p>\n\n\n\n<p>20 \u2212 13 = 7<\/p>\n\n\n\n<p>When s = 16, the range is 7.<\/p>\n\n\n\n<p>The range is 7, so s = 16.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#9bf4f4\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u27a1\ufe0f Zach has the following data:<\/p>\n\n\n\n<p>20  20  18  12  n  17<\/p>\n\n\n\n<p class=\"has-text-color\" style=\"color:#b00012\"><strong>If the range is 8, which number could n be?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>8<\/li>\n\n\n\n<li>19<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>Try n = 8.<\/p>\n\n\n\n<p>Arrange the numbers from least to greatest.<\/p>\n\n\n\n<p>8  12  17  18  20  20<\/p>\n\n\n\n<p>Subtract the least number from the greatest number.<\/p>\n\n\n\n<p>20 \u2212 8 = 12<\/p>\n\n\n\n<p>When n = 8, the range is 12.<\/p>\n\n\n\n<p>Try n = 19.<\/p>\n\n\n\n<p>Arrange the numbers from least to greatest.<\/p>\n\n\n\n<p>12  17  18  19  20  20<\/p>\n\n\n\n<p>Subtract the least number from the greatest number.<\/p>\n\n\n\n<p>20 \u2212 12 = 8<\/p>\n\n\n\n<p>When n = 19, the range is 8.<\/p>\n\n\n\n<p>The range is 8, so n = 19.<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">Let&#8217;s practice!\ud83d\udd8a\ufe0f<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/65655\/870\/540\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-2-162.png\" alt=\"\" class=\"wp-image-7039\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-2-162.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-2-162-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-2-162-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-2-162-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/31249\/748\/155\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-1-164.png\" alt=\"\" class=\"wp-image-7040\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-1-164.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-1-164-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-1-164-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-1-164-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Mean, median, mode, and range: find the missing number key notes: The mean is the average of the numbers. You find the mean by adding the numbers together and then dividing by the number of numbers in the group. The range is the difference between the greatest number and the least number. Learn with an<a class=\"more-link\" href=\"https:\/\/7thclass.deltapublications.in\/index.php\/y-3-mean-median-mode-and-range-find-the-missing-number\/\">Continue reading <span class=\"screen-reader-text\">&#8220;Y.3 Mean, median, mode and range: find the missing number&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"footnotes":""},"class_list":["post-495","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=495"}],"version-history":[{"count":9,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/495\/revisions"}],"predecessor-version":[{"id":11414,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/495\/revisions\/11414"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}