{"id":17,"date":"2022-04-11T14:11:07","date_gmt":"2022-04-11T14:11:07","guid":{"rendered":"http:\/\/3rdclass.deltapublications.in\/?page_id=17"},"modified":"2025-08-19T06:33:30","modified_gmt":"2025-08-19T06:33:30","slug":"a-4-number-sequences","status":"publish","type":"page","link":"https:\/\/3rdclass.deltapublications.in\/index.php\/a-4-number-sequences\/","title":{"rendered":"A.4 Number sequences"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Number sequences<\/strong><\/h2>\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\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAGv86YpUiw\/O3TwKjfIvePFlxEpWlBz1w\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAGv86YpUiw&#x2F;O3TwKjfIvePFlxEpWlBz1w&#x2F;watch?utm_content=DAGv86YpUiw&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">3 rd class math Number sequences<\/a> by Delta publications\n<\/div>\n<\/div>\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<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>What is a Number Sequence?<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A <strong>number sequence<\/strong> is a list of numbers that <strong>follow a pattern<\/strong>.<br>Each number in the sequence is called a <strong>term<\/strong>.<\/p>\n\n\n\n<p>\ud83d\udfe2 Example:<br>2, 4, 6, 8, 10 \u2192 This is a number sequence (pattern: +2)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>\ud83c\udfaf Learning Goal:<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>By the end of this lesson, students will be able to:<br>\u2705 Identify number patterns<br>\u2705 Complete number sequences<br>\u2705 Create their own number sequences<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td>\ud83d\udd22 <strong>Types of Number Sequences<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading has-primary-color has-text-color has-link-color has-normal-font-size wp-elements-febc0605c4b22bec55d90d9211d10776\">1. <strong>Increasing Sequence<\/strong><\/h4>\n\n\n\n<p>\ud83d\udc49 Numbers <strong>go up<\/strong> by a certain value<br>\ud83e\uddee Example: 5, 10, 15, 20, 25 (counting by 5s)<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-primary-color has-text-color has-link-color has-normal-font-size wp-elements-daa726aaad401dc85d72b2cd4a3d295b\">2. <strong>Decreasing Sequence<\/strong><\/h4>\n\n\n\n<p>\ud83d\udc49 Numbers <strong>go down<\/strong> by a certain value<br>\ud83e\uddee Example: 30, 25, 20, 15, 10 (counting back by 5s)<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-primary-color has-text-color has-link-color has-normal-font-size wp-elements-928b24f4dda42e84fb17e6c398d1f052\">3. <strong>Skip Counting Sequence<\/strong><\/h4>\n\n\n\n<p>\ud83d\udc49 Jump in 2s, 3s, 4s, etc.<br>\ud83e\uddee Example: 3, 6, 9, 12, 15 (by 3s)<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-primary-color has-text-color has-link-color has-normal-font-size wp-elements-1398657e3307061966bb3cbf07bfa4da\">4. <strong>Mixed or Pattern Sequences<\/strong><\/h4>\n\n\n\n<p>\ud83d\udc49 Follow a special pattern<br>\ud83e\uddee Example: 2, 4, 8, 16, 32 (each number \u00d7 2)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>\ud83d\udd0d How to Find the Rule?<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u2705 Step 1: Look at how the numbers are changing<br>\u2705 Step 2: Check if it&#8217;s adding, subtracting, multiplying<br>\u2705 Step 3: Use the rule to find the next number<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>\ud83e\udde9 Examples<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li>6, 12, 18, __, __<br>\u2705 Rule: Add 6<br>\u2705 Answer: 24, 30<\/li>\n\n\n\n<li>50, 45, __, 35, __<br>\u2705 Rule: Subtract 5<br>\u2705 Answer: 40, 30<\/li>\n\n\n\n<li>2, 4, 6, 8, __<br>\u2705 Rule: Add 2<br>\u2705 Answer: 10<\/li>\n\n\n\n<li>1, 2, 4, 8, 16, __<br>\u2705 Rule: Multiply by <br>\u2705 Answer: 32<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>\ud83c\udfa8 Visual Support \u2013 Number Line<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-preformatted\">plaintextCopyEdit<code>Number line for +3:\n0---3---6---9---12---15---18\n<\/code><\/pre>\n\n\n\n<p>Each jump = 3<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>\ud83d\udd90\ufe0f Practice Activity<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Fill in the blanks:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>4, 8, 12, ___, ___<br>\u2705 Answer: 16, 20<\/li>\n\n\n\n<li>100, 90, 80, ___, ___<br>\u2705 Answer: 70, 60<\/li>\n\n\n\n<li>7, 14, ___, 28, ___<br>\u2705 Answer: 21, 35<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>\ud83e\udde0 Create Your Own Sequence!<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ask students to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Choose a number to start<\/li>\n\n\n\n<li>Pick a rule (+, \u2013, \u00d7)<\/li>\n\n\n\n<li>Write the first <strong>5 terms<\/strong> of the sequence<\/li>\n<\/ul>\n\n\n\n<p>Example:<br>Start at 3, add 4<br>\ud83d\udc49 3, 7, 11, 15, 19<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-text-color has-link-color has-fixed-layout\" style=\"color:#000020\"><tbody><tr><td><strong>\ud83c\udfe0 Home Activity<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83e\udde9 Look for number patterns at home:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Elevator buttons<\/li>\n\n\n\n<li>Calendar dates<\/li>\n\n\n\n<li>Table numbers<br>Write any 3 number sequences you see!<\/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-text-align-center has-text-color has-link-color has-large-font-size wp-elements-0de802a5f0e4830d615a40bf94f5b819\" style=\"color:#105000\"><strong>Learn with an example<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#aaedd7\"><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-305619546560a072eac8c2d869e46892\" style=\"color:#b00012\"><strong>Which number is missing from this sequence?<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">__, 42, 46, 50, 54, 58, 62<\/p>\n<\/div><\/div>\n\n\n\n<p>First, look for a pattern. Notice how each number is 4 more than the previous number:<\/p>\n\n\n\n<p>__, 42, 46, 50, 54, 58, 62<\/p>\n\n\n\n<p>To make the pattern complete, the number 38 must go in the blank space.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#c6d1f7\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><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-align-left has-text-color has-link-color wp-elements-b1b5b07dc807fa765bdfabaa66623a71\" style=\"color:#b00012\"><strong>Which number is missing from this sequence?<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">94,&nbsp;&nbsp;&nbsp;&nbsp;__,&nbsp;&nbsp;&nbsp;&nbsp;102,&nbsp;&nbsp;&nbsp;&nbsp;106,&nbsp;&nbsp;&nbsp;&nbsp;110<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>First, look for a pattern. Notice how each number is<strong> 4 more<\/strong> than the previous number:<\/p>\n\n\n\n<p>94,&nbsp;&nbsp;&nbsp;&nbsp;__,&nbsp;&nbsp;&nbsp;&nbsp;102,&nbsp;&nbsp;&nbsp;&nbsp;106,&nbsp;&nbsp;&nbsp;&nbsp;110<\/p>\n\n\n\n<p>To make the pattern complete, the number 98 must go in the blank space.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f7d4c6\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><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-305619546560a072eac8c2d869e46892\" style=\"color:#b00012\"><strong>Which number is missing from this sequence?<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">26,&nbsp;&nbsp;&nbsp;&nbsp;36,&nbsp;&nbsp;&nbsp;&nbsp;46,&nbsp;&nbsp;&nbsp;&nbsp;56,&nbsp;&nbsp;&nbsp;&nbsp;___<\/p>\n<\/div><\/div>\n\n\n\n<p>First, look for a pattern. Notice how each number is <strong>10 more<\/strong> than the previous number:<\/p>\n\n\n\n<p>26,&nbsp;&nbsp;&nbsp;&nbsp;36,&nbsp;&nbsp;&nbsp;&nbsp;46,&nbsp;&nbsp;&nbsp;&nbsp;56,&nbsp;&nbsp;&nbsp;&nbsp;__<\/p>\n\n\n\n<p>To make the pattern complete, the number 66 must go in the blank space.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f3e9b4\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><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-305619546560a072eac8c2d869e46892\" style=\"color:#b00012\"><strong>Which number is missing from this sequence?<\/strong><\/p>\n\n\n\n<p>704,&nbsp;&nbsp;&nbsp;&nbsp;__,&nbsp;&nbsp;&nbsp;&nbsp;504,&nbsp;&nbsp;&nbsp;&nbsp;404,&nbsp;&nbsp;&nbsp;&nbsp;304,&nbsp;&nbsp;&nbsp;&nbsp;204<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>First, look for a pattern. Notice how each number is<strong> 100 less<\/strong> than the previous number:<\/p>\n\n\n\n<p>704,&nbsp;&nbsp;&nbsp;&nbsp;__,&nbsp;&nbsp;&nbsp;&nbsp;504,&nbsp;&nbsp;&nbsp;&nbsp;404,&nbsp;&nbsp;&nbsp;&nbsp;304,&nbsp;&nbsp;&nbsp;&nbsp;204<\/p>\n\n\n\n<p>To make the pattern complete, the number 604 must go in the blank space.<\/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\/95224\/450\/193\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-2.png\" alt=\"\" class=\"wp-image-8062\" srcset=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-2.png 500w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-2-300x300.png 300w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-2-150x150.png 150w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-2-400x400.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\/30076\/554\/136\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-2.png\" alt=\"\" class=\"wp-image-8063\" srcset=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-2.png 500w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-2-300x300.png 300w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-2-150x150.png 150w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-2-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Number sequences 3 rd class math Number sequences by Delta publications key notes : What is a Number Sequence? A number sequence is a list of numbers that follow a pattern.Each number in the sequence is called a term. \ud83d\udfe2 Example:2, 4, 6, 8, 10 \u2192 This is a number sequence (pattern: +2) \ud83c\udfaf Learning<a class=\"more-link\" href=\"https:\/\/3rdclass.deltapublications.in\/index.php\/a-4-number-sequences\/\">Continue reading <span class=\"screen-reader-text\">&#8220;A.4 Number sequences&#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-17","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/17","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=17"}],"version-history":[{"count":28,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/17\/revisions"}],"predecessor-version":[{"id":19247,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/17\/revisions\/19247"}],"wp:attachment":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}