{"id":94,"date":"2022-04-08T04:49:55","date_gmt":"2022-04-08T04:49:55","guid":{"rendered":"http:\/\/6thclass.deltapublications.in\/?page_id=94"},"modified":"2025-11-21T04:04:12","modified_gmt":"2025-11-21T04:04:12","slug":"f-1-add-and-subtract-decimal-numbers","status":"publish","type":"page","link":"https:\/\/6thclass.deltapublications.in\/index.php\/f-1-add-and-subtract-decimal-numbers\/","title":{"rendered":"F.1 Add and subtract decimal numbers"},"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<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-e1411710dcbc9b9c4cafe7aeefdcb74c\" style=\"color:#74008b;text-transform:capitalize\">key notes:<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83e\udde9 <strong>Line Up the Decimal Points!<\/strong><\/h2>\n\n\n\n<p>When adding or subtracting decimals, <strong>always line up the decimal points<\/strong>.<br>\u27a1\ufe0f This keeps the <strong>place values<\/strong> (tenths, hundredths, thousandths) correct.<br>Example:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  3.45  \n+ 2.30  \n------\n<\/code><\/pre>\n\n\n\n<p>\ud83d\udfe1 <strong>Decimal alignment = no mistakes!<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd22 <strong>Add Zeroes if Needed<\/strong><\/h2>\n\n\n\n<p>If a number has fewer digits, add <strong>trailing zeroes<\/strong> to make calculation easier.<br>Example:<br>3.4 \u2192 3.40<br>\u2b50 Helps keep tenths &amp; hundredths aligned.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\u2795 <strong>Add Like Whole Numbers<\/strong><\/h2>\n\n\n\n<p>Once decimals are lined up, <strong>ignore the decimal<\/strong> and add normally.<br>Then place the <strong>decimal point in the answer<\/strong> directly under the others.<br>\ud83e\uddee\u2728<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\u2796 <strong>Subtraction Works the Same<\/strong><\/h2>\n\n\n\n<p>Line up decimals \u2192 Add zeroes \u2192 Subtract like whole numbers \u2192 Place decimal.<br>Example:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  5.60  \n- 3.75  \n------\n<\/code><\/pre>\n\n\n\n<p>\ud83d\udfe5 Borrowing may be needed!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83e\udde0 <strong>Understand Place Values<\/strong><\/h2>\n\n\n\n<p>Each digit has a value:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tenths (0.1)<\/li>\n\n\n\n<li>Hundredths (0.01)<\/li>\n\n\n\n<li>Thousandths (0.001)<br>\ud83c\udfaf This helps avoid confusion during addition\/subtraction.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd0d <strong>Check Your Answer for Reasonableness<\/strong><\/h2>\n\n\n\n<p>Estimate before solving!<br>Example:<br>3.75 + 2.60 \u2248 4 + 3 = <strong>7<\/strong><br>\u2714 Helps catch mistakes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udeab <strong>Do NOT Move Decimal Points<\/strong><\/h2>\n\n\n\n<p>\u274c Never shift decimal points when adding\/subtracting.<br>\u2714 Only line them up.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udca1 <strong>Word Problems Use Real-Life Context<\/strong><\/h2>\n\n\n\n<p>Decimals appear in:<br>\ud83c\udf4e Money<br>\ud83d\udccf Measurements<br>\u26fd Fuel<br>\ud83c\udfc3 Distances<br>Understanding decimals helps in everyday life!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83c\udf89 <strong>Practice Makes You a Decimal Master!<\/strong><\/h2>\n\n\n\n<p>The more you practice, the faster and more accurate you get!<br>\u2b50\ud83d\udcaa\ud83d\udd22<\/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 has-background has-large-font-size\" style=\"background-color:#9be3cd\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-f09851b33b6fff2e9f61766a4e802337\" style=\"color:#b00012\">\ud83d\udd14 Add.<\/p>\n\n\n\n<p>0.6 + 0.6 = ___ . ___<\/p>\n<\/div><\/div>\n\n\n\n<p>Remember&nbsp;to line up the decimal&nbsp;points.<\/p>\n\n\n\n<p>0.6 + 0.6 = ?<\/p>\n\n\n\n<p>Add&nbsp;as you would add whole numbers. Remember to write the decimal point in the&nbsp;answer.<\/p>\n\n\n\n<p>0.6 + 0.6 = 1.2<\/p>\n\n\n\n<p>The sum is 1.2.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f7c3c3\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-f09851b33b6fff2e9f61766a4e802337\" style=\"color:#b00012\">\ud83d\udd14 Add.<\/p>\n\n\n\n<p>6.71 + 5.47 = ___ . ___<\/p>\n<\/div><\/div>\n\n\n\n<p>Remember&nbsp;to line up the decimal&nbsp;points.<\/p>\n\n\n\n<p>6.71 + 5.47 = ?<\/p>\n\n\n\n<p>Add&nbsp;as you would add whole numbers. Remember to write the decimal point in the&nbsp;answer.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Use_a_place_value_chart._Be_sure_to_line_up_the_decimal_points._ones_tenths_hundredths_0._0_8_1._8_5._8_1__1_-removebg-preview.png\" alt=\"\" class=\"wp-image-6897\" style=\"width:208px;height:auto\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Use_a_place_value_chart._Be_sure_to_line_up_the_decimal_points._ones_tenths_hundredths_0._0_8_1._8_5._8_1__1_-removebg-preview.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Use_a_place_value_chart._Be_sure_to_line_up_the_decimal_points._ones_tenths_hundredths_0._0_8_1._8_5._8_1__1_-removebg-preview-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Use_a_place_value_chart._Be_sure_to_line_up_the_decimal_points._ones_tenths_hundredths_0._0_8_1._8_5._8_1__1_-removebg-preview-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Use_a_place_value_chart._Be_sure_to_line_up_the_decimal_points._ones_tenths_hundredths_0._0_8_1._8_5._8_1__1_-removebg-preview-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p>The sum is 12.18.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#e7c5f6\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-015226c910843d70dc49ac4dde6e9e90\" style=\"color:#b00012\">Add.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled-design-17.png\" alt=\"\" class=\"wp-image-7067\" style=\"width:232px;height:auto\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled-design-17.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled-design-17-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled-design-17-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled-design-17-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>1.6<\/li>\n\n\n\n<li>1.4<\/li>\n\n\n\n<li>1.3<\/li>\n\n\n\n<li>2<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>Remember&nbsp;to line up the decimal&nbsp;points.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__17_-removebg-preview.png\" alt=\"\" class=\"wp-image-7068\" style=\"width:206px;height:auto\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__17_-removebg-preview.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__17_-removebg-preview-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__17_-removebg-preview-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__17_-removebg-preview-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p>Add&nbsp;as you would add whole numbers. Remember to write the decimal point in the&nbsp;answer.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__18_-removebg-preview.png\" alt=\"\" class=\"wp-image-7069\" style=\"width:218px;height:auto\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__18_-removebg-preview.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__18_-removebg-preview-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__18_-removebg-preview-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/06\/Untitled_design__18_-removebg-preview-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<p>The sum is 1.6.<\/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\"><a href=\"https:\/\/wordwall.net\/play\/80569\/794\/924\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-87.png\" alt=\"\" class=\"wp-image-6276\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-87.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-87-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-87-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-3-87-400x400.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\/84603\/366\/638\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-90.png\" alt=\"\" class=\"wp-image-6277\" srcset=\"https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-90.png 500w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-90-300x300.png 300w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-90-150x150.png 150w, https:\/\/6thclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Worksheet-1-1-2-90-400x400.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 key notes: \ud83e\udde9 Line Up the Decimal Points! When adding or subtracting decimals, always line up the decimal points.\u27a1\ufe0f This keeps the place values (tenths, hundredths, thousandths) correct.Example: \ud83d\udfe1 Decimal alignment = no mistakes! \ud83d\udd22 Add Zeroes if Needed If a number has fewer digits, add trailing zeroes to make calculation<a class=\"more-link\" href=\"https:\/\/6thclass.deltapublications.in\/index.php\/f-1-add-and-subtract-decimal-numbers\/\">Continue reading <span class=\"screen-reader-text\">&#8220;F.1 Add and subtract decimal numbers&#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-94","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/94","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=94"}],"version-history":[{"count":15,"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/94\/revisions"}],"predecessor-version":[{"id":17364,"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/94\/revisions\/17364"}],"wp:attachment":[{"href":"https:\/\/6thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=94"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}