{"id":60,"date":"2022-04-11T14:21:48","date_gmt":"2022-04-11T14:21:48","guid":{"rendered":"http:\/\/3rdclass.deltapublications.in\/?page_id=60"},"modified":"2025-08-26T07:56:18","modified_gmt":"2025-08-26T07:56:18","slug":"c-5-balance-addition-equations-up-to-three-digit","status":"publish","type":"page","link":"https:\/\/3rdclass.deltapublications.in\/index.php\/c-5-balance-addition-equations-up-to-three-digit\/","title":{"rendered":"C.5 Balance addition equations &#8211; up to three digit"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Balance addition equations &#8211; up to three-digit<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/08\/C.5-Balance-addition-equations-up-to-three-digits.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-1183af47c341b3e441235b382e35a9c0\" style=\"color:#74008b\"><strong>Key notes:<\/strong><\/p>\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>\u2728 Key Points<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>What is an Equation?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An <strong>equation<\/strong> shows that two sides are <strong>equal<\/strong>.<\/li>\n\n\n\n<li>It uses the <strong>equals sign (=)<\/strong>.<\/li>\n\n\n\n<li>Example: 250 + 100 = 300 + 50<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>What is a Balanced Equation?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A balanced equation means <strong>both sides have the same total<\/strong>.<\/li>\n\n\n\n<li>Example:<\/li>\n\n\n\n<li>200 + 150 = 350<\/li>\n\n\n\n<li>300 + 50 = 350<\/li>\n<\/ul>\n\n\n\n<p>\u2705 Both sides = 350 \u2192 Balanced<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>How to Balance Addition Equations:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Step 1: Add the numbers on the <strong>left side<\/strong>.<\/li>\n\n\n\n<li>Step 2: Add the numbers on the <strong>right side<\/strong>.<\/li>\n\n\n\n<li>Step 3: Check if both sides are equal.<\/li>\n\n\n\n<li>Step 4: If a number is missing, find it to make both sides equal.<\/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><strong>\ud83d\udcdd Examples<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Check balance<\/strong><br>125 + 200 = 300 + 25<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Left side: 125 + 200 = 325<\/li>\n\n\n\n<li>Right side: 300 + 25 = 325<br>\u2705 Balanced<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Find the missing number<\/strong><br>150 + ___ = 275 + 25<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Right side: 275 + 25 = 300<\/li>\n\n\n\n<li>Left side: 150 + ? = 300<\/li>\n\n\n\n<li>? = 300 \u2013 150 = 150<br>\u2705 Answer: 150<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Another example<\/strong><br>248 + 132 = ___ + 200<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Left side: 248 + 132 = 380<\/li>\n\n\n\n<li>Right side: ? + 200 = 380<\/li>\n\n\n\n<li>? = 380 \u2013 200 = 180<br>\u2705 Answer: 180<\/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>\ud83c\udfaf Practice Activity<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Check whether the equations are balanced:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>235 + 140 = 300 + 75<\/li>\n\n\n\n<li>126 + 174 = 200 + 100<\/li>\n<\/ul>\n\n\n\n<p>Fill in the missing numbers:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>250 + ___ = 300 + 50<\/li>\n\n\n\n<li>___ + 125 = 400 + 50<\/li>\n\n\n\n<li>175 + 225 = ___ + 200<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-link-color has-large-font-size wp-elements-3fefd20f8ce119a518e5f53333ab5486\" style=\"color:#105000\"><strong>Learn with an example<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-background has-normal-font-size\" style=\"background-color:#f4ecaf\"><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-f2bff54b77886575868c2363ba09857d\" style=\"color:#b00012\"><strong>\u27a1\ufe0f Which number makes the equation true?<\/strong><\/p>\n\n\n\n<p>&nbsp;_____+ 314 = 105 + 352<\/p>\n<\/div><\/div>\n\n\n\n<p>First, add 105 + 352:<\/p>\n\n\n\n<p>? + 314 = 105 + 352<\/p>\n\n\n\n<p>? + 314 = 457<\/p>\n\n\n\n<p>Decide which number makes the addition number sentence true. You can subtract to find the answer.<\/p>\n\n\n\n<p>Subtract:<\/p>\n\n\n\n<p>457 \u2212 314 = 143<\/p>\n\n\n\n<p>The missing number is<strong> 143<\/strong>.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-normal-font-size\" style=\"background-color:#cdbcfc\"><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-f2bff54b77886575868c2363ba09857d\" style=\"color:#b00012\"><strong>\u27a1\ufe0f Which number makes the equation true?<\/strong><\/p>\n\n\n\n<p>&nbsp;606 + 146 = 359 +&nbsp;____<\/p>\n<\/div><\/div>\n\n\n\n<p>First, add 606 + 146:<\/p>\n\n\n\n<p>606 + 146 = 359 + ?<\/p>\n\n\n\n<p>752 = 359 + ?<\/p>\n\n\n\n<p>Decide which number makes the addition number sentence true. You can subtract to find the answer.<\/p>\n\n\n\n<p>Subtract:<\/p>\n\n\n\n<p>752 \u2212 359 = 393<\/p>\n\n\n\n<p>The missing number is <strong>393<\/strong>.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-normal-font-size\" style=\"background-color:#efc5fc\"><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-0822d16082660a5f94071cc0c93ef137\" style=\"color:#b00012\"><strong>Which number makes the equation true?<\/strong><\/p>\n\n\n\n<p>236 + 144 = 262 +&nbsp;<\/p>\n<\/div><\/div>\n\n\n\n<p>First, add 236 + 144:<\/p>\n\n\n\n<p>236 + 144 = 262 + ?<\/p>\n\n\n\n<p>380 = 262 + ?<\/p>\n\n\n\n<p>Decide which number makes the addition number sentence true. You can subtract to find the answer.<\/p>\n\n\n\n<p>Subtract:<\/p>\n\n\n\n<p>380 \u2212 262 = 118<\/p>\n\n\n\n<p>The missing number is 118.<\/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\/35134\/626\/647\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-159.png\" alt=\"\" class=\"wp-image-8611\" srcset=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-159.png 500w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-159-300x300.png 300w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-159-150x150.png 150w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-159-400x400.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\/33225\/937\/280\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-159.png\" alt=\"\" class=\"wp-image-8612\" srcset=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-159.png 500w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-159-300x300.png 300w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-159-150x150.png 150w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-159-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Balance addition equations &#8211; up to three-digit Key notes: \u2728 Key Points What is an Equation? What is a Balanced Equation? \u2705 Both sides = 350 \u2192 Balanced How to Balance Addition Equations: \ud83d\udcdd Examples Check balance125 + 200 = 300 + 25 Find the missing number150 + ___ = 275 + 25 Another example248<a class=\"more-link\" href=\"https:\/\/3rdclass.deltapublications.in\/index.php\/c-5-balance-addition-equations-up-to-three-digit\/\">Continue reading <span class=\"screen-reader-text\">&#8220;C.5 Balance addition equations &#8211; up to three digit&#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-60","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/60","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=60"}],"version-history":[{"count":16,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/60\/revisions"}],"predecessor-version":[{"id":19329,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/60\/revisions\/19329"}],"wp:attachment":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=60"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}