{"id":2930,"date":"2023-01-04T09:31:28","date_gmt":"2023-01-04T09:31:28","guid":{"rendered":"https:\/\/2ndclass.deltapublications.in\/?page_id=2930"},"modified":"2026-03-24T08:56:49","modified_gmt":"2026-03-24T08:56:49","slug":"s-5-write-the-addition-or-subtraction-rule-for-an-input-output-table-up-to-20","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/s-5-write-the-addition-or-subtraction-rule-for-an-input-output-table-up-to-20\/","title":{"rendered":"S.5 Write the addition or subtraction rule for an input\/output table &#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>Write the addition or subtraction rule for an input\/output table &#8211; up to 20<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-b93de59bd25ed4e4502fb5fa9238772d\" style=\"color:#1c8749\"><strong>key notes :<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udd39 What is an Input\/Output Table?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It shows how numbers <strong>change from input to output<\/strong>.<\/li>\n\n\n\n<li>The <strong>input<\/strong> is the starting number.<\/li>\n\n\n\n<li>The <strong>output<\/strong> is the result after applying a rule.<\/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\udd39 What is a Rule?<\/h3>\n\n\n\n<p>A <strong>rule<\/strong> tells what we do to the input number.<\/p>\n\n\n\n<p>It can be:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2795 <strong>Addition<\/strong> (add a number)<\/li>\n\n\n\n<li>\u2796 <strong>Subtraction<\/strong> (take away a number)<\/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\udd39 How to Find the Rule<\/h3>\n\n\n\n<p>Look at the input and output numbers.<\/p>\n\n\n\n<p>Ask:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Did the number <strong>increase<\/strong>? \u279d Addition<\/li>\n\n\n\n<li>Did the number <strong>decrease<\/strong>? \u279d Subtraction<\/li>\n<\/ul>\n\n\n\n<p>Find the difference between input and output.<\/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\udd39 Steps to Write the Rule<\/h3>\n\n\n\n<p>Compare input and output.<\/p>\n\n\n\n<p>Find how much the number changed.<\/p>\n\n\n\n<p>Write the rule:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Add ___<\/strong><\/li>\n\n\n\n<li><strong>Subtract ___<\/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\udd39 Examples<\/h3>\n\n\n\n<p><strong>Example 1:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Input: 3 \u2192 Output: 7<\/li>\n\n\n\n<li>3 + 4 = 7<br>\u2705 Rule: <strong>Add 4<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Example 2:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Input: 10 \u2192 Output: 6<\/li>\n\n\n\n<li>10 \u2212 4 = 6<br>\u2705 Rule: <strong>Subtract 4<\/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\udd39 Important Points<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Numbers will be <strong>up to 20 only<\/strong>.<\/li>\n\n\n\n<li>The same rule is used for <strong>all rows<\/strong>.<\/li>\n\n\n\n<li>Check your rule with another pair to be sure.<\/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\udd39 Quick Practice Idea \ud83c\udfaf<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Input: 5 \u2192 Output: 9<\/li>\n\n\n\n<li>Input: 6 \u2192 Output: 10<br>\ud83d\udc49 What is the rule?<br>\u2705 <strong>Add 4<\/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\udf1f Teaching Tip<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use objects like beads or fingers to help children see the change.<\/li>\n\n\n\n<li>Encourage students to say:<br>\ud83d\udc49 \u201cI add ___\u201d or \u201cI take away ___\u201d<\/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:#92f6c4\"><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>\u2708\ufe0f This input\/output table shows addition. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-c81e6b65263974300937746819631c47\" style=\"color:#b00012\"><strong>Find the rule and type the correct number in the blank.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>In<\/td><td>Out<\/td><\/tr><tr><td>1<\/td><td>11<\/td><\/tr><tr><td>7<\/td><td>17<\/td><\/tr><tr><td>9<\/td><td>19<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u2708\ufe0f Rule:&nbsp;+&nbsp;____<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with the number in the <strong>In<\/strong> column. Figure out what number, when added to it, gives the value shown in the <strong>Out<\/strong> column.<\/li>\n\n\n\n<li>1&nbsp;<strong>+ 10<\/strong>&nbsp;= 11<br>7&nbsp;<strong>+ 10<\/strong>&nbsp;= 17<br>9&nbsp;<strong>+ 10<\/strong>&nbsp;= 19<\/li>\n\n\n\n<li>This is the rule: + 10.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#eded9b\"><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>\u2708\ufe0f This input\/output table shows subtraction. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-c81e6b65263974300937746819631c47\" style=\"color:#b00012\"><strong>Find the rule and type the correct number in the blank.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>In<\/td><td>Out<\/td><\/tr><tr><td>17<\/td><td>1<\/td><\/tr><tr><td>19<\/td><td>3<\/td><\/tr><tr><td>20<\/td><td>4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u2708\ufe0f Rule:&nbsp;\u2212&nbsp;____<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with the number in the <strong>In<\/strong> column. Figure out what number, when subtracted from it, gives the value shown in the <strong>Out<\/strong> column.<\/li>\n\n\n\n<li>17&nbsp;<strong>\u221216<\/strong>&nbsp;= 1<br>19&nbsp;<strong>\u221216<\/strong>&nbsp;= 3<br>20&nbsp;<strong>\u221216<\/strong>&nbsp;= 4<\/li>\n\n\n\n<li>This is the rule: \u2212 16.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f29ff2\"><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>\u2708\ufe0f This input\/output table shows addition. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-c81e6b65263974300937746819631c47\" style=\"color:#b00012\"><strong>Find the rule and type the correct number in the blank.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>In<\/td><td>Out<\/td><\/tr><tr><td>0<\/td><td>14<\/td><\/tr><tr><td>2<\/td><td>16<\/td><\/tr><tr><td>6<\/td><td>20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u2708\ufe0f Rule:&nbsp;+&nbsp;____<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with the number in the <strong>In<\/strong> column. Figure out what number, when added to it, gives the value shown in the <strong>Out<\/strong> column.<\/li>\n\n\n\n<li>0&nbsp;<strong>+ 14<\/strong>&nbsp;= 14<br>2&nbsp;<strong>+ 14<\/strong>&nbsp;= 16<br>6&nbsp;<strong>+ 14<\/strong>&nbsp;= 20<\/li>\n\n\n\n<li>This is the rule: + 14.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" 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\/86300\/075\/938\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-289.png\" alt=\"\" class=\"wp-image-7733\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-289.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-289-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-289-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-289-400x400.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\/86238\/184\/719\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-281.png\" alt=\"\" class=\"wp-image-7734\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-281.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-281-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-281-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-281-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Write the addition or subtraction rule for an input\/output table &#8211; up to 20 key notes : \ud83d\udd39 What is an Input\/Output Table? \ud83d\udd39 What is a Rule? A rule tells what we do to the input number. It can be: \ud83d\udd39 How to Find the Rule Look at the input and output numbers. Ask:<a class=\"more-link\" href=\"https:\/\/2ndclass.deltapublications.in\/index.php\/s-5-write-the-addition-or-subtraction-rule-for-an-input-output-table-up-to-20\/\">Continue reading <span class=\"screen-reader-text\">&#8220;S.5 Write the addition or subtraction rule for an input\/output table &#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-2930","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/2930","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=2930"}],"version-history":[{"count":11,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/2930\/revisions"}],"predecessor-version":[{"id":22955,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/2930\/revisions\/22955"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=2930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}