{"id":407,"date":"2022-04-13T05:07:03","date_gmt":"2022-04-13T05:07:03","guid":{"rendered":"http:\/\/8thclass.deltapublications.in\/?page_id=407"},"modified":"2024-11-29T05:28:34","modified_gmt":"2024-11-29T05:28:34","slug":"v-3-write-variable-expressions-word-problems","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/v-3-write-variable-expressions-word-problems\/","title":{"rendered":"V.3 Write variable expressions: word problems"},"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\"><strong>Write variable expressions: word problems<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-071aec683c99d954104ee0068dfb63f9\" style=\"color:#74008b\">Key notes:<\/p>\n\n\n\n<p class=\"has-large-font-size\">A&nbsp;<strong>variable<\/strong>&nbsp;is a letter that represents an unknown number.<\/p>\n\n\n\n<p class=\"has-large-font-size\">An&nbsp;<strong>expression<\/strong>&nbsp;is a group of numbers, symbols, and variables that represents another number.<\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-large-font-size\" style=\"color:#105000\">Learn with an example<\/p>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#e6f3df\"><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 class=\"has-text-color has-link-color wp-elements-e460087151125101fd6b0f851e6c42c9\" style=\"color:#b00012\"><strong>Vivian had 33 CDs until she won&nbsp;c&nbsp;more in a contest. Choose the expression that shows how many CDs Vivian has now.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>c-33<\/li>\n\n\n\n<li>33-c<\/li>\n\n\n\n<li>33+c<\/li>\n\n\n\n<li>c<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>Look for a pattern.<\/p>\n\n\n\n<p>Try&nbsp;<em>c<\/em>&nbsp;= 2:<\/p>\n\n\n\n<p>Vivian had 33 CDs until she won 2 more in a contest. Choose the expression that shows how many CDs Vivian has now.<\/p>\n\n\n\n<p>33 + 2, which is 35<\/p>\n\n\n\n<p>Try&nbsp;<em>c<\/em>&nbsp;= 3:<\/p>\n\n\n\n<p>Vivian had 33 CDs until she won 3 more in a contest. Choose the expression that shows how many CDs Vivian has now.<\/p>\n\n\n\n<p>33 + 3, which is 36<\/p>\n\n\n\n<p>Try&nbsp;<em>c<\/em>&nbsp;= 4:<\/p>\n\n\n\n<p>Vivian had 33 CDs until she won 4 more in a contest. Choose the expression that shows how many CDs Vivian has now.<\/p>\n\n\n\n<p>33 + 4, which is 37<\/p>\n\n\n\n<p>The pattern shows that in order to find how many CDs Vivian has now, you always add&nbsp;<em>c<\/em>&nbsp;to 33. This is the correct expression:<\/p>\n\n\n\n<p>33 +&nbsp;<em>c<\/em><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#d1e1f5\"><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 class=\"has-text-color has-link-color wp-elements-65712cad28bf134a230b14177e4d1722\" style=\"color:#b00012\"><strong>Beth had&nbsp;<em>d<\/em>&nbsp;DVDs. Her mother bought her 91 more DVDs. Choose the expression that shows how many DVDs Beth has now.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>d<\/li>\n\n\n\n<li>91-d<\/li>\n\n\n\n<li>d+91<\/li>\n\n\n\n<li>d-91<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>Look for a pattern.<\/p>\n\n\n\n<p>Try&nbsp;<em>d<\/em>&nbsp;= 2:<\/p>\n\n\n\n<p>Beth had 2 DVDs. Her mother bought her 91 more DVDs. Choose the expression that shows how many DVDs Beth has now.<\/p>\n\n\n\n<p>2 + 91, which is 93<\/p>\n\n\n\n<p>Try&nbsp;<em>d<\/em>&nbsp;= 3:<\/p>\n\n\n\n<p>Beth had 3 DVDs. Her mother bought her 91 more DVDs. Choose the expression that shows how many DVDs Beth has now.<\/p>\n\n\n\n<p>3 + 91, which is 94<\/p>\n\n\n\n<p>Try&nbsp;<em>d<\/em>&nbsp;= 4:<\/p>\n\n\n\n<p>Beth had 4 DVDs. Her mother bought her 91 more DVDs. Choose the expression that shows how many DVDs Beth has now.<\/p>\n\n\n\n<p>4 + 91, which is 95<\/p>\n\n\n\n<p>The pattern shows that in order to find how many DVDs Beth has now, you always add 91 to&nbsp;<em>d<\/em>. This is the correct expression:<\/p>\n\n\n\n<p><em>d<\/em>&nbsp;+ 91<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#cbeaf1\"><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 class=\"has-text-color has-link-color wp-elements-f1e4f9ee6930dd077d1d30d70f41b22f\" style=\"color:#b00012\"><strong>Kendra has 93 pieces of candy. She gives away&nbsp;<em>c<\/em>&nbsp;of the pieces. Choose the expression that shows the number of pieces of candy Kendra has left.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>93+c<\/li>\n\n\n\n<li>c<\/li>\n\n\n\n<li>c-93<\/li>\n\n\n\n<li>93-c<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>Look for a pattern.<\/p>\n\n\n\n<p><strong>Try&nbsp;<em>c<\/em>&nbsp;= 2:<\/strong><\/p>\n\n\n\n<p>Kendra has 93 pieces of candy. She gives away 2 of the pieces. Choose the expression that shows the number of pieces of candy Kendra has left.<\/p>\n\n\n\n<p>93 \u2212 2, which is 91<\/p>\n\n\n\n<p><strong>Try&nbsp;<em>c<\/em>&nbsp;= 3:<\/strong><\/p>\n\n\n\n<p>Kendra has 93 pieces of candy. She gives away 3 of the pieces. Choose the expression that shows the number of pieces of candy Kendra has left.<\/p>\n\n\n\n<p>93 \u2212 3, which is 90<\/p>\n\n\n\n<p><strong>Try&nbsp;<em>c<\/em>&nbsp;= 4:<\/strong><\/p>\n\n\n\n<p>Kendra has 93 pieces of candy. She gives away 4 of the pieces. Choose the expression that shows the number of pieces of candy Kendra has left.<\/p>\n\n\n\n<p>93 \u2212 4, which is 89<\/p>\n\n\n\n<p>The pattern shows that in order to find the number of pieces of candy Kendra has left, you always subtract&nbsp;<em>c<\/em>&nbsp;from 93. This is the correct expression:<\/p>\n\n\n\n<p><strong>93 \u2212&nbsp;<em>c<\/em><\/strong><\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">let&#8217;s practice!<\/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\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-124.png\" alt=\"\" class=\"wp-image-8850\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-124.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-124-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-124-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/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\/82921\/540\/421\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-124.png\" alt=\"\" class=\"wp-image-8851\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-124.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-124-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-124-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Write variable expressions: word problems Key notes: A&nbsp;variable&nbsp;is a letter that represents an unknown number. An&nbsp;expression&nbsp;is a group of numbers, symbols, and variables that represents another number. Learn with an example Vivian had 33 CDs until she won&nbsp;c&nbsp;more in a contest. Choose the expression that shows how many CDs Vivian has now. Look for a<a class=\"more-link\" href=\"https:\/\/8thclass.deltapublications.in\/index.php\/v-3-write-variable-expressions-word-problems\/\">Continue reading <span class=\"screen-reader-text\">&#8220;V.3 Write variable expressions: word problems&#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,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-407","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=407"}],"version-history":[{"count":16,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/407\/revisions"}],"predecessor-version":[{"id":19193,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/407\/revisions\/19193"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}