{"id":330,"date":"2022-04-11T05:51:08","date_gmt":"2022-04-11T05:51:08","guid":{"rendered":"http:\/\/2ndclass.deltapublications.in\/?page_id=330"},"modified":"2026-03-24T08:54:24","modified_gmt":"2026-03-24T08:54:24","slug":"s-4-addition-and-subtraction-balance-equations-up-to-20","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/s-4-addition-and-subtraction-balance-equations-up-to-20\/","title":{"rendered":"S.4 Addition and subtraction &#8211; balance equations &#8211; up to 20"},"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> Addition and subtraction &#8211; balance equations &#8211; up to 20<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udf1f What is a Balanced Equation?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>balanced equation<\/strong> means both sides are <strong>equal<\/strong>.<\/li>\n\n\n\n<li>The <strong>equal sign (=)<\/strong> shows both sides have the same value.<\/li>\n\n\n\n<li>Example:<br>\ud83d\udc49 6 + 4 = 10<br>\ud83d\udc49 10 = 6 + 4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\u2696\ufe0f Think of a Balance Scale<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Imagine a <strong>balance scale \u2696\ufe0f<\/strong>.<\/li>\n\n\n\n<li>If both sides have the same weight \u2192 it is <strong>balanced<\/strong>.<\/li>\n\n\n\n<li>If not equal \u2192 it is <strong>not balanced<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\u2795 Balancing Addition Equations<\/h3>\n\n\n\n<p>Add numbers on both sides and check:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udc49 5 + 3 = 4 + 4 \u2714 (Both = 8)<\/li>\n\n\n\n<li>\ud83d\udc49 7 + 2 = 6 + 3 \u2714 (Both = 9)<\/li>\n<\/ul>\n\n\n\n<p>If both sides give the same number \u2192 <strong>balanced<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\u2796 Balancing Subtraction Equations<\/h3>\n\n\n\n<p>Subtract and compare:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udc49 10 \u2212 4 = 6 \u2714<\/li>\n\n\n\n<li>\ud83d\udc49 9 \u2212 3 = 6 \u2714<\/li>\n<\/ul>\n\n\n\n<p>So: 10 \u2212 4 = 9 \u2212 3 \u2714 (Balanced)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udd22 Find the Missing Number<\/h3>\n\n\n\n<p>Fill the box to make both sides equal:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udc49 6 + \u2b1c = 10 \u2192 \u2b1c = 4<\/li>\n\n\n\n<li>\ud83d\udc49 \u2b1c \u2212 3 = 5 \u2192 \u2b1c = 8<\/li>\n<\/ul>\n\n\n\n<p>Always <strong>think: what number makes both sides equal?<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udd04 Use Addition &amp; Subtraction Together<\/h3>\n\n\n\n<p>Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udc49 8 + 2 = \u2b1c + 5<\/li>\n\n\n\n<li>Left side = 10<\/li>\n\n\n\n<li>So: \u2b1c + 5 = 10 \u2192 \u2b1c = 5<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udeab Check if Not Balanced<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udc49 5 + 2 = 6 \u274c (7 \u2260 6)<\/li>\n\n\n\n<li>\ud83d\udc49 9 \u2212 4 = 3 \u274c (5 \u2260 3)<\/li>\n\n\n\n<li>If both sides are not equal \u2192 <strong>not balanced<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udca1 Tips for Students<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Always <strong>solve both sides first<\/strong>.<\/li>\n\n\n\n<li>Compare the answers.<\/li>\n\n\n\n<li>Use fingers, counters, or drawings \ud83d\udfe2.<\/li>\n\n\n\n<li>Numbers should be <strong>within 20<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udfaf Practice Examples<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2714 4 + 6 = 5 + 5<\/li>\n\n\n\n<li>\u2714 12 \u2212 2 = 8 + 2<\/li>\n\n\n\n<li>\u274c 7 + 3 = 9<\/li>\n\n\n\n<li>\u2714 15 \u2212 5 = 10<\/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 has-background has-large-font-size\" style=\"background-color:#ad9ff3\"><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-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-73b5065c4d3f3bf78b92f03420194c10\" style=\"color:#b00012\">\ud83d\udcd7 <strong>Which number makes the equation true?<\/strong><\/p>\n\n\n\n<p> 8 + 8 = 19 \u2212<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First, add 8 + 8:<\/li>\n\n\n\n<li>8 + 8 = 19 \u2212 ?<\/li>\n\n\n\n<li>16 = 19 \u2212 ?<\/li>\n\n\n\n<li>Find the number that makes the subtraction number sentence true.<\/li>\n\n\n\n<li>19 \u2212 ? = 16<\/li>\n\n\n\n<li>Subtract 16 from both sides:<\/li>\n\n\n\n<li>19 \u2212 ? \u2212 16 = 16 \u2212 16<\/li>\n\n\n\n<li>3 \u2212 ? = 0<\/li>\n\n\n\n<li>Now, find the number that goes in the blank space. Remember, when a number is subtracted from itself, the difference is zero. The number in the blank space must be 3.<\/li>\n\n\n\n<li>The missing number is 3.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#bcee95\"><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-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-443dc50aa43c1c318cf37dd882575aa5\" style=\"color:#b00012\">\ud83d\udcd7 <strong>Which number makes the equation true? <\/strong><\/p>\n\n\n\n<p>10 \u2212 3 =_____&nbsp;&nbsp;+ 1<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First, subtract 10 \u2212 3:<\/li>\n\n\n\n<li>10 \u2212 3 = ? + 1<\/li>\n\n\n\n<li>7 = ? + 1<\/li>\n\n\n\n<li>Decide which number makes the addition number sentence true. You can think of an addition fact you know, or you can subtract to find the answer.<\/li>\n\n\n\n<li>The additional fact is:<\/li>\n\n\n\n<li>6 + 1 = 7<\/li>\n\n\n\n<li>Do you remember this additional fact? If not, you can find the answer by subtracting.<\/li>\n\n\n\n<li>Subtract:<\/li>\n\n\n\n<li>7 \u2212 1 = 6<\/li>\n\n\n\n<li>The missing number is 6.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f1a6c0\"><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-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-73b5065c4d3f3bf78b92f03420194c10\" style=\"color:#b00012\">\ud83d\udcd7 <strong>Which number makes the equation true?<\/strong><\/p>\n\n\n\n<p> 12 \u2212&nbsp;____ = 4 + 8<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First, add 4 + 8:<\/li>\n\n\n\n<li>12 \u2212 ? = 4 + 8<\/li>\n\n\n\n<li>12 \u2212 ? = 12<\/li>\n\n\n\n<li>Subtract 12 from both sides:<\/li>\n\n\n\n<li>12 \u2212 ? \u2212 12 = 12 \u2212 12<\/li>\n\n\n\n<li>0 \u2212 ? = 0<\/li>\n\n\n\n<li>Now, find the number that goes in the blank space. Remember, when a number is subtracted from itself, the difference is zero. The number in the blank space must be 0.<\/li>\n\n\n\n<li>The missing number is 0.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-4eb6f8dcdd9dcebf504294d481c38767\" 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\/86234\/932\/918\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-64.png\" alt=\"\" class=\"wp-image-6715\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-64.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-64-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-64-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-64-400x400.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\/86233\/978\/159\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-64.png\" alt=\"\" class=\"wp-image-6716\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-64.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-64-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-64-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-64-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Addition and subtraction &#8211; balance equations &#8211; up to 20 \ud83c\udf1f What is a Balanced Equation? \u2696\ufe0f Think of a Balance Scale \u2795 Balancing Addition Equations Add numbers on both sides and check: If both sides give the same number \u2192 balanced. \u2796 Balancing Subtraction Equations Subtract and compare: So: 10 \u2212 4 = 9<a class=\"more-link\" href=\"https:\/\/2ndclass.deltapublications.in\/index.php\/s-4-addition-and-subtraction-balance-equations-up-to-20\/\">Continue reading <span class=\"screen-reader-text\">&#8220;S.4 Addition and subtraction &#8211; balance equations &#8211; up to 20&#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":{"footnotes":""},"class_list":["post-330","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=330"}],"version-history":[{"count":10,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/330\/revisions"}],"predecessor-version":[{"id":22953,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/330\/revisions\/22953"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}