{"id":96,"date":"2022-04-08T04:50:20","date_gmt":"2022-04-08T04:50:20","guid":{"rendered":"http:\/\/6thclass.deltapublications.in\/?page_id=96"},"modified":"2025-11-21T04:06:48","modified_gmt":"2025-11-21T04:06:48","slug":"f-2-add-and-subtract-decimals-word-problems","status":"publish","type":"page","link":"https:\/\/6thclass.deltapublications.in\/index.php\/f-2-add-and-subtract-decimals-word-problems\/","title":{"rendered":"F.2 Add and subtract decimals: 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>Add and subtract decimals: word problems<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-0b7c76880a66787baa56e2714ae28a2d\" style=\"color:#74008b;text-transform:capitalize\"><strong>key notes :<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>\ud83d\udd22 Understand the Problem<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Read the question carefully.<\/li>\n\n\n\n<li>Identify the <strong>numbers with decimals<\/strong> and the <strong>operation<\/strong> needed: addition \u2795 or subtraction \u2796.<\/li>\n\n\n\n<li>Example: \u201cRavi bought 2.5 kg apples and 1.75 kg bananas. How many kg fruits did he buy?\u201d<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>\ud83d\udcdd Line Up the Decimal Points<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Write numbers <strong>vertically<\/strong>.<\/li>\n\n\n\n<li><strong>Align the decimal points<\/strong> before adding or subtracting.<\/li>\n\n\n\n<li>Example: <code>2.50 + 1.75 ---- 4.25<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u2795 Adding Decimals<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Add as usual, <strong>starting from the right<\/strong> (smallest place value).<\/li>\n\n\n\n<li>Bring the <strong>decimal point straight down<\/strong> in the answer.<\/li>\n\n\n\n<li>Check your answer makes sense in the context of the problem. \u2705<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u2796 Subtracting Decimals<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Subtract as usual, <strong>starting from the right<\/strong>.<\/li>\n\n\n\n<li>Bring the decimal point straight down.<\/li>\n\n\n\n<li>If needed, <strong>borrow<\/strong> like in whole numbers.<\/li>\n\n\n\n<li>Example: <code>5.60 - 2.75 ---- 2.85<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>\ud83d\udca1 Estimate First<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Round numbers to <strong>nearest whole number<\/strong> to guess the answer.<\/li>\n\n\n\n<li>Helps check if the final answer is reasonable.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>\ud83d\udcda Solve Step by Step<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Step 1: Identify the numbers.<\/li>\n\n\n\n<li>Step 2: Decide operation (+ or -).<\/li>\n\n\n\n<li>Step 3: Line up decimals.<\/li>\n\n\n\n<li>Step 4: Solve carefully.<\/li>\n\n\n\n<li>Step 5: Write the answer with correct units (kg, m, $, etc.).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u2705 Common Mistakes to Avoid<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Forgetting to <strong>align decimals<\/strong>. \u274c<\/li>\n\n\n\n<li>Forgetting <strong>place value<\/strong> after decimal. \u274c<\/li>\n\n\n\n<li>Ignoring <strong>units<\/strong> in the answer. \u274c<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>\ud83c\udfaf Practice Word Problems<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Example 1: A bottle contains 3.45 L of juice. 1.75 L is poured into glasses. How much juice is left?<\/li>\n\n\n\n<li>Example 2: Sam ran 2.8 km on Monday and 3.65 km on Tuesday. How far did he run in total?<\/li>\n<\/ul>\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-primary-color has-text-color has-background has-link-color has-large-font-size wp-elements-df222b5b30fb5455196ee4daae8c9071\" style=\"background-color:#f2d8fc\"><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<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-link-color wp-elements-ff7b06730e8e7b472f0e623da1919c71\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>A carpenter bought a piece of wood that was 8.6 centimeters long. Then she sawed 1.8 centimeters off the end. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-f3dda7329d3775cac79a48835636d05f\" style=\"color:#b00012\">How long is the piece of wood now?<\/p>\n<\/div><\/div>\n\n\n\n<p>Subtract the number of centimeters. Remember to line up the decimal points.<\/p>\n\n\n\n<p>8.6 &#8211; 1.8 = <strong>6.8<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<p>The piece of wood is 6.8 centimeters long now.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-text-color has-background has-link-color has-large-font-size wp-elements-e99f0c88435b6a2ecb7579abe098318a\" style=\"background-color:#f7f9d0\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-link-color wp-elements-d02bcc708418470b92001b6f73cc053a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>Dominic had 0.21 grams of pepper. Then he used 0.18 grams of pepper to make some scrambled eggs.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-a8b9451763d0794824a0475f29f5b36f\" style=\"color:#b00012\"> How much pepper does Dominic have left?<\/p>\n<\/div><\/div>\n\n\n\n<p>Subtract the numbers of grams. Remember to line up the decimal points.<\/p>\n\n\n\n<p>0.21 &#8211; 0.18 = <strong>0.03<\/strong><\/p>\n\n\n\n<p>Dominic has 0.03 grams of pepper left.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-text-color has-background has-link-color has-large-font-size wp-elements-6894c4972176b35a413af225f3985573\" style=\"background-color:#d1dafb\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-link-color wp-elements-1f73133c80a62d0df33d49b8e6fd69d9\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>Cooper bought a piece of fabric that was 9.82 meters long. Then he cut 7.05 meters of it off to use in a sewing project. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-4157c6c9b876859d0732936685f23033\" style=\"color:#b00012\">How much fabric is left?<\/p>\n<\/div><\/div>\n\n\n\n<p>Subtract the numbers of grams. Remember to line up the decimal points.<\/p>\n\n\n\n<p>9.82 &#8211; 7.05 = <strong>2.77<\/strong><\/p>\n\n\n\n<p>2.77 meters of fabric are left.<\/p>\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<\/div><\/div>\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\/80570\/869\/178\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-86.png\" alt=\"\" class=\"wp-image-6273\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-86.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-86-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-86-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-86-400x400.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\/84604\/055\/404\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-89.png\" alt=\"\" class=\"wp-image-6274\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-89.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-89-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-89-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-89-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Add and subtract decimals: word problems key notes : \ud83d\udd22 Understand the Problem \ud83d\udcdd Line Up the Decimal Points \u2795 Adding Decimals \u2796 Subtracting Decimals \ud83d\udca1 Estimate First \ud83d\udcda Solve Step by Step \u2705 Common Mistakes to Avoid \ud83c\udfaf Practice Word Problems Learn with an example A carpenter bought a piece of wood that was<a class=\"more-link\" href=\"https:\/\/6thclass.deltapublications.in\/index.php\/f-2-add-and-subtract-decimals-word-problems\/\">Continue reading <span class=\"screen-reader-text\">&#8220;F.2 Add and subtract decimals: 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,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-96","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/96","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=96"}],"version-history":[{"count":18,"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/96\/revisions"}],"predecessor-version":[{"id":17365,"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/96\/revisions\/17365"}],"wp:attachment":[{"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=96"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}