{"id":59,"date":"2022-04-12T05:57:05","date_gmt":"2022-04-12T05:57:05","guid":{"rendered":"http:\/\/5thclass.deltapublications.in\/?page_id=59"},"modified":"2025-09-10T06:34:14","modified_gmt":"2025-09-10T06:34:14","slug":"c-9-estimate-products-word-problems","status":"publish","type":"page","link":"https:\/\/5thclass.deltapublications.in\/index.php\/c-9-estimate-products-word-problems\/","title":{"rendered":"C.9 Estimate products: 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>Estimate products: word problems<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/08\/C.9-Estimate-products_-word-problems.mp4\"><\/video><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-6b0809edf6f5a2677b0db43b0487116b\" style=\"color:#74008b\">Key notes :<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000060\"><tbody><tr><td><strong>What Does \u201cEstimate Products\u201d Mean?<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Estimate<\/strong> means to find a number close to the exact answer, but easier and quicker to calculate.<\/li>\n\n\n\n<li><strong>Product<\/strong> means the answer you get when multiplying two numbers.<\/li>\n\n\n\n<li>Estimating products helps us <strong>check reasonableness<\/strong> of answers and <strong>do quick calculations<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000060\"><tbody><tr><td><strong>\ud83d\udd39 Steps to Estimate Products<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Round the numbers<\/strong> to the nearest ten, hundred, or thousand (depending on the size).<\/li>\n\n\n\n<li><strong>Multiply the rounded numbers.<\/strong><\/li>\n\n\n\n<li><strong>Write the estimated product.<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000060\"><tbody><tr><td><strong>\ud83d\udd39 Example Word Problems<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Example 1:<\/strong><br>A pen costs <strong>\u20b948<\/strong>. A shopkeeper sells about <strong>29 pens<\/strong> in a day.<br>\ud83d\udc49 Estimate the total sales.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Round: 48 \u2192 50, 29 \u2192 30<\/li>\n\n\n\n<li>Multiply: 50 \u00d7 30 = <strong>1500<\/strong><br>\u2705 Estimated product = <strong>\u20b91500<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Example 2:<\/strong><br>There are <strong>412 students<\/strong> in a school. Each student needs about <strong>38 notebooks<\/strong> in a year.<br>\ud83d\udc49 Estimate the total number of notebooks.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Round: 412 \u2192 400, 38 \u2192 40<\/li>\n\n\n\n<li>Multiply: 400 \u00d7 40 = <strong>16,000<\/strong><br>\u2705 Estimated product = <strong>16,000 notebooks<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Example 3:<\/strong><br>A bus carries about <strong>57 people<\/strong>. If <strong>23 buses<\/strong> are used, how many people can travel?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Round: 57 \u2192 60, 23 \u2192 20<\/li>\n\n\n\n<li>Multiply: 60 \u00d7 20 = <strong>1,200<\/strong><br>\u2705 Estimated product = <strong>1,200 people<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000060\"><tbody><tr><td><strong>\ud83d\udd39 Why Estimation Is Useful?<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Saves time in <strong>real-life situations<\/strong> (shopping, travel, big numbers).<\/li>\n\n\n\n<li>Helps to <strong>check if the exact answer is reasonable<\/strong>.<\/li>\n\n\n\n<li>Makes <strong>mental math easier<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000060\"><tbody><tr><td><strong>\ud83d\udd39 Practice Problems<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A pencil costs \u20b937. A school buys 62 pencils. Estimate the total cost.<\/li>\n\n\n\n<li>Each box has 245 apples. A farmer has 39 boxes. Estimate the total apples.<\/li>\n\n\n\n<li>One ticket costs \u20b976. About 48 people buy tickets. Estimate the total money collected.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u2705 <strong>Tip :<\/strong>  Always round numbers to a place value that makes multiplication easier (nearest 10, 100, or 1000).<\/p>\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\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background has-normal-font-size\" style=\"background-color:#fbb3f3\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color\" style=\"color:#d90000\">\ud83d\ude03 <strong>A print shop ordered 29 shipments of newsprint. There were 5,796 sheets of newsprint in each shipment. About how many sheets of newsprint did the print shop order in all? Choose the better estimate.<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-normal-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>Multiply:<\/strong><\/p>\n\n\n\n<p>29 \u00d7 5,796 = ?<\/p>\n\n\n\n<p>Round the first factor to the nearest ten and the second factor to the nearest thousand.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"246\" height=\"92\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-42.png\" alt=\"\" class=\"wp-image-12655\" style=\"aspect-ratio:2.6739130434782608;width:294px;height:auto\"\/><\/figure>\n\n\n\n<p>180,000 sheets of newsprint is the better estimate.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-normal-font-size\" style=\"background-color:#c6f0a2\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color\" style=\"color:#d90000\"> \ud83d\ude03 <strong>A school owns 82 buses. There are 91 seats on each bus. About how many seats in total are there on the buses? Choose the better estimate.<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>Multiply:<\/strong><\/p>\n\n\n\n<p>82 \u00d7 91 = ?<\/p>\n\n\n\n<p>Round each factor to the nearest ten.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"289\" height=\"120\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-43.png\" alt=\"\" class=\"wp-image-12656\" style=\"aspect-ratio:2.408333333333333;width:258px;height:auto\"\/><\/figure>\n\n\n\n<p>7,200 seats is the better estimate.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-normal-font-size\" style=\"background-color:#f4e694\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color\" style=\"color:#d90000\"> \ud83d\ude03 <strong>A sporting goods company puts 683 jump ropes in each shipment. They ship 93 shipments per year. About how many skipping ropes does the company ship each year? Choose the better estimate.<\/strong><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>Multiply:<\/strong><\/p>\n\n\n\n<p>683 \u00d7 93 = ?<\/p>\n\n\n\n<p>Round the first factor to the nearest hundred and the second factor to the nearest ten.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"363\" height=\"115\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-44.png\" alt=\"\" class=\"wp-image-12657\" style=\"aspect-ratio:3.1565217391304348;width:342px;height:auto\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-44.png 363w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2024\/08\/image-44-300x95.png 300w\" sizes=\"auto, (max-width: 363px) 100vw, 363px\" \/><\/figure>\n\n\n\n<p>63,000 skipping ropes is the better estimate.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/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\/76374\/605\/296\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-108.png\" alt=\"\" class=\"wp-image-5937\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-108.png 500w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-108-300x300.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-108-150x150.png 150w\" 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\/76365\/423\/662\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-110.png\" alt=\"\" class=\"wp-image-5938\" srcset=\"https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-110.png 500w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-110-300x300.png 300w, https:\/\/5thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-110-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Estimate products: word problems Key notes : What Does \u201cEstimate Products\u201d Mean? \ud83d\udd39 Steps to Estimate Products \ud83d\udd39 Example Word Problems Example 1:A pen costs \u20b948. A shopkeeper sells about 29 pens in a day.\ud83d\udc49 Estimate the total sales. Example 2:There are 412 students in a school. Each student needs about 38 notebooks in a<a class=\"more-link\" href=\"https:\/\/5thclass.deltapublications.in\/index.php\/c-9-estimate-products-word-problems\/\">Continue reading <span class=\"screen-reader-text\">&#8220;C.9 Estimate products: 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-59","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/59","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=59"}],"version-history":[{"count":20,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/59\/revisions"}],"predecessor-version":[{"id":15698,"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/59\/revisions\/15698"}],"wp:attachment":[{"href":"https:\/\/5thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}