{"id":81,"date":"2022-04-11T04:47:54","date_gmt":"2022-04-11T04:47:54","guid":{"rendered":"http:\/\/2ndclass.deltapublications.in\/?page_id=81"},"modified":"2025-11-18T05:43:45","modified_gmt":"2025-11-18T05:43:45","slug":"e-8-addition-input-output-tables-sums-to-20","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/e-8-addition-input-output-tables-sums-to-20\/","title":{"rendered":"E.8 Addition input\/output tables &#8211; sums to 20"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Addition input\/output tables &#8211; sums to 20<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-28d136ae4331e7eb05ec8e1cb71ebcde\" style=\"color:#74008b\">key notes :<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udce5\u27a1\ufe0f\ud83d\udce4 <strong>What is an Input\/Output Table?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An <strong>input\/output table<\/strong> shows how a number changes using a <strong>rule<\/strong>.<\/li>\n\n\n\n<li><strong>Input = starting number<\/strong><\/li>\n\n\n\n<li><strong>Output = result after using the rule<\/strong><br>\u2728 Example:<br>If the rule is <strong>+5<\/strong>,<\/li>\n\n\n\n<li>Input 3 \u2192 Output 8<\/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\">\u2795\u2728 <strong>Addition Rule<\/strong><\/h2>\n\n\n\n<p>The rule tells us how much to <strong>add<\/strong>.<\/p>\n\n\n\n<p>Rules may look like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>+2<\/strong><\/li>\n\n\n\n<li><strong>+7<\/strong><\/li>\n\n\n\n<li><strong>+10<\/strong><\/li>\n<\/ul>\n\n\n\n<p>All answers stay <strong>within 0\u201320<\/strong> \ud83c\udfaf<\/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\udd0d <strong>How to Use the Table<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Look at the <strong>rule<\/strong> (example: +6).<\/li>\n\n\n\n<li>Take the <strong>input number<\/strong>.<\/li>\n\n\n\n<li><strong>Add<\/strong> the rule number.<\/li>\n\n\n\n<li>Write the <strong>output<\/strong>.<br>\ud83d\udca1 Example: Rule = <strong>+4<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Input 5 \u2192 5 + 4 = 9<\/li>\n\n\n\n<li>Input 10 \u2192 10 + 4 = 14<\/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\">\ud83c\udfa8 <strong>Visualizing Helps!<\/strong><\/h2>\n\n\n\n<p>Use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83e\uddee Counters<\/li>\n\n\n\n<li>\ud83c\udf4e Objects<\/li>\n\n\n\n<li>\u270b Fingers<br>to add easily for sums up to <strong>20<\/strong>.<\/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\">\ud83c\udf89 <strong>Practice Examples<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udf08 Rule: <strong>+3<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Input<\/th><th>Output<\/th><\/tr><\/thead><tbody><tr><td>4<\/td><td>7<\/td><\/tr><tr><td>9<\/td><td>12<\/td><\/tr><tr><td>15<\/td><td>18<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udf08 Rule: <strong>+6<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Input<\/th><th>Output<\/th><\/tr><\/thead><tbody><tr><td>2<\/td><td>8<\/td><\/tr><tr><td>5<\/td><td>11<\/td><\/tr><tr><td>9<\/td><td>15<\/td><\/tr><\/tbody><\/table><\/figure>\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\udd14 <strong>Find the Rule (Missing Rule)<\/strong><\/h2>\n\n\n\n<p>Sometimes the table shows <strong>input and output<\/strong>, and you must find the <strong>rule<\/strong>.<br>\u2728 Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Input 7 \u2192 Output 12<\/li>\n\n\n\n<li>What is added?<br>\u2714 7 + <strong>5<\/strong> = 12<\/li>\n\n\n\n<li>Rule = <strong>+5<\/strong><\/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\uded1 <strong>Stay Within 20<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sums must be <strong>20 or less<\/strong>.<\/li>\n\n\n\n<li>If the sum is more than 20, it doesn\u2019t fit the rule for Grade 2.<br>\ud83d\udca1 Example: 18 + 5 \u274c (more than 20)<\/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\">\ud83c\udf93 <strong>Why It\u2019s Important<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Helps children understand <strong>patterns<\/strong> \ud83d\udd22<\/li>\n\n\n\n<li>Builds <strong>addition skills<\/strong> \u2795<\/li>\n\n\n\n<li>Supports <strong>logical thinking<\/strong> \ud83e\udde0<\/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-large-font-size\" style=\"background-color:#c1f7d3\"><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><strong>Complete the table.<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-80cc819571abd009c6c25574243b4e7b\" style=\"color:#b00012\"><strong>Rule: add 3<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"300\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled-design-2-2.png\" alt=\"\" class=\"wp-image-8164\" style=\"width:417px;height:186px\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled-design-2-2.png 670w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled-design-2-2-300x134.png 300w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/figure><\/div><\/div><\/div>\n\n\n\n<p>Start with the numbers in the &#8220;In&#8221; column. Add 3 to each number.<\/p>\n\n\n\n<p>3 + 3 = 6<br>4 + 3 = 7<br>5 + 3 = 8<br>6 + 3 = 9<\/p>\n\n\n\n<p>Write the answers in the table:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"300\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled_design__3_-removebg-preview-5.png\" alt=\"\" class=\"wp-image-8167\" style=\"width:479px;height:214px\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled_design__3_-removebg-preview-5.png 670w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled_design__3_-removebg-preview-5-300x134.png 300w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/figure><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#d1cefa\"><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><strong>Complete the table.<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-52a27be7dfc0b374a0097f2b4078e5d9\" style=\"color:#b00012\"><strong>Rule: add 0<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"300\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled-design-4-2.png\" alt=\"\" class=\"wp-image-8172\" style=\"width:439px;height:196px\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled-design-4-2.png 670w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled-design-4-2-300x134.png 300w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/figure><\/div><\/div><\/div>\n\n\n\n<p>Start with the numbers in the &#8220;In&#8221; column. Add 0 to each number.<\/p>\n\n\n\n<p>1 + 0 = 1<br>2 + 0 = 2<br>8 + 0 = 8<br>9 + 0 = 9<\/p>\n\n\n\n<p>Write the answers in the table:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"300\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled_design__5_-removebg-preview-4.png\" alt=\"\" class=\"wp-image-8174\" style=\"width:486px;height:217px\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled_design__5_-removebg-preview-4.png 670w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/05\/Untitled_design__5_-removebg-preview-4-300x134.png 300w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/figure><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#e8d1fb\"><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>Complete the table.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-b9284e5aee26621a4d79c43a21422a9d\" style=\"color:#b00012\"><strong>Rule: add 5<\/strong><\/p>\n\n\n\n<figure id=\"yui_3_18_1_1_1685526387673_429\" class=\"wp-block-table\"><table><tbody><tr><td>In<\/td><td>Out<\/td><\/tr><tr><td>0<\/td><td>5<\/td><\/tr><tr><td>1<\/td><td><\/td><\/tr><tr><td>4<\/td><td><\/td><\/tr><tr><td>5<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<p>Start with the numbers in the &#8220;In&#8221; column. Add 5 to each number.<\/p>\n\n\n\n<p>0 + 5 = 5<br>1 + 5 = 6<br>4 + 5 = 9<br>5 + 5 = 10<\/p>\n\n\n\n<p>Write the answers in the table:<\/p>\n\n\n\n<figure id=\"yui_3_18_1_1_1685526387673_449\" class=\"wp-block-table\"><table><tbody><tr><td>In<\/td><td>Out<\/td><\/tr><tr><td>0<\/td><td>5<\/td><\/tr><tr><td>1<\/td><td><strong>6<\/strong><\/td><\/tr><tr><td>4<\/td><td><strong>9<\/strong><\/td><\/tr><tr><td>5<\/td><td><strong>10<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!\ud83d\udd8a\ufe0f<\/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\/79645\/168\/197\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-196.png\" alt=\"\" class=\"wp-image-7254\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-196.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-196-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-196-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-196-400x400.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\/79648\/296\/828\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-195.png\" alt=\"\" class=\"wp-image-7255\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-195.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-195-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-195-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-195-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Addition input\/output tables &#8211; sums to 20 key notes : \ud83d\udce5\u27a1\ufe0f\ud83d\udce4 What is an Input\/Output Table? \u2795\u2728 Addition Rule The rule tells us how much to add. Rules may look like: All answers stay within 0\u201320 \ud83c\udfaf \ud83d\udd0d How to Use the Table \ud83c\udfa8 Visualizing Helps! Use: \ud83c\udf89 Practice Examples \ud83c\udf08 Rule: +3 Input Output<a class=\"more-link\" href=\"https:\/\/2ndclass.deltapublications.in\/index.php\/e-8-addition-input-output-tables-sums-to-20\/\">Continue reading <span class=\"screen-reader-text\">&#8220;E.8 Addition input\/output tables &#8211; sums 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-81","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/81","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=81"}],"version-history":[{"count":18,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/81\/revisions"}],"predecessor-version":[{"id":22800,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/81\/revisions\/22800"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}