{"id":334,"date":"2022-04-11T05:51:49","date_gmt":"2022-04-11T05:51:49","guid":{"rendered":"http:\/\/2ndclass.deltapublications.in\/?page_id=334"},"modified":"2026-03-24T09:01:25","modified_gmt":"2026-03-24T09:01:25","slug":"s-6-add-and-subtract-numbers-up-to-100","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/s-6-add-and-subtract-numbers-up-to-100\/","title":{"rendered":"S.6 Add and subtract numbers up to 100"},"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> Add and subtract numbers up to 100<\/strong><\/h2>\n\n\n\n<p class=\"has-huge-font-size\"><strong>key notes :<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd22 Understanding Numbers up to 100<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Numbers up to 100 have <strong>tens and ones<\/strong>.<br>\ud83d\udc49 Example: 45 = 4 tens + 5 ones<\/li>\n\n\n\n<li>Use a <strong>number chart (1\u2013100)<\/strong> to find and understand numbers.<\/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 Addition up to 100<\/h2>\n\n\n\n<p><strong>Addition means putting together<\/strong> or finding the total.<\/p>\n\n\n\n<p>Add <strong>ones first<\/strong>, then <strong>tens<\/strong>.<\/p>\n\n\n\n<p>Write numbers in <strong>columns<\/strong> (tens under tens, ones under ones).<\/p>\n\n\n\n<p>You can use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Number line<\/li>\n\n\n\n<li>Base-ten blocks<\/li>\n\n\n\n<li>Fingers or objects<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example:<br>34 + 25 = (30 + 20) + (4 + 5) = 50 + 9 = <strong>59<\/strong><\/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\">\u2796 Subtraction up to 100<\/h2>\n\n\n\n<p><strong>Subtraction means taking away<\/strong> or finding the difference.<\/p>\n\n\n\n<p>Subtract <strong>ones first<\/strong>, then <strong>tens<\/strong>.<\/p>\n\n\n\n<p>Use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Number line (jump backward)<\/li>\n\n\n\n<li>Objects or blocks<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example:<br>56 \u2212 23 = (50 \u2212 20) + (6 \u2212 3) = 30 + 3 = <strong>33<\/strong><\/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\udd04 Regrouping (Carrying &amp; Borrowing)<\/h2>\n\n\n\n<p>Sometimes we need to <strong>regroup<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Addition<\/strong>: Carry to tens when ones are more than 9<\/li>\n\n\n\n<li><strong>Subtraction<\/strong>: Borrow from tens when ones are smaller<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example (Addition):<br>28 + 17 = <strong>45<\/strong><\/p>\n\n\n\n<p>\ud83d\udc49 Example (Subtraction):<br>52 \u2212 38 = <strong>14<\/strong><\/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\">\ud83c\udfaf Important Tips<\/h2>\n\n\n\n<p>Always <strong>line up tens and ones correctly<\/strong>.<\/p>\n\n\n\n<p>Start from the <strong>ones place<\/strong>.<\/p>\n\n\n\n<p><strong>Check your answer<\/strong> using the opposite operation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Addition \u2194 Subtraction<\/li>\n<\/ul>\n\n\n\n<p>Practice using <strong>real-life examples<\/strong> (money, objects, etc.).<\/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\">\ud83c\udf89 Fun Practice Ideas<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use coins or sticks to add and subtract.<\/li>\n\n\n\n<li>Play number games using a <strong>100 chart<\/strong>.<\/li>\n\n\n\n<li>Solve simple word problems.<\/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:#a9e5f4\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-background-background-color has-text-color has-background has-link-color wp-elements-c5cc0215039e8c27febd66e0f39921ed\" style=\"color:#b00012\">\ud83c\udfaf <strong>Add. 72 + 24=___<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Add&nbsp;the ones. Add&nbsp;2 + 4.<\/li>\n\n\n\n<li>7<strong>2<\/strong> + 2<strong>4= 6<\/strong> <\/li>\n\n\n\n<li>Add&nbsp;the tens. Add&nbsp;7+2.<\/li>\n\n\n\n<li><strong>7<\/strong>2 + <strong>2<\/strong>4= <strong>9<\/strong>6<\/li>\n\n\n\n<li>The&nbsp;sum is&nbsp;96<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#f2a1de\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-background-background-color has-text-color has-background has-link-color wp-elements-3b8c800eebddd54d62397b6f5b2252c9\" style=\"color:#b00012\">\ud83c\udfaf <strong>Add. 51 + 36=____<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Add&nbsp;the ones. Add&nbsp;1 + 6.<\/li>\n\n\n\n<li>5<strong>1<\/strong> + 3<strong>6=7<\/strong><\/li>\n\n\n\n<li>Add&nbsp;the tens. Add&nbsp;5 + 3.<\/li>\n\n\n\n<li><strong>5<\/strong>1 + <strong>3<\/strong>6= <strong>8<\/strong>7 <\/li>\n\n\n\n<li>The&nbsp;sum is&nbsp;87.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#edeba0\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-background-background-color has-text-color has-background has-link-color wp-elements-b381ec62ddecbfeaae6abe9c3c6a2f3d\" style=\"color:#b00012\">\ud83c\udfaf <strong>Add. 71 + 3=___<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Add&nbsp;the ones. Add&nbsp;1 + 3.<\/li>\n\n\n\n<li>7<strong>1<\/strong> + <strong>3=4<\/strong><\/li>\n\n\n\n<li>Add&nbsp;the tens. Bring down the&nbsp;7.<\/li>\n\n\n\n<li><strong>7<\/strong>1 + 3= <strong>7<\/strong>4<\/li>\n\n\n\n<li>The&nbsp;sum is&nbsp;74.<\/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\/86336\/710\/529\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-62.png\" alt=\"\" class=\"wp-image-6707\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-62.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-62-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-62-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-62-400x400.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\/86301\/889\/401\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-62.png\" alt=\"\" class=\"wp-image-6708\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-62.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-62-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-62-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-62-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Add and subtract numbers up to 100 key notes : \ud83d\udd22 Understanding Numbers up to 100 \u2795 Addition up to 100 Addition means putting together or finding the total. Add ones first, then tens. Write numbers in columns (tens under tens, ones under ones). You can use: \ud83d\udc49 Example:34 + 25 = (30 + 20)<a class=\"more-link\" href=\"https:\/\/2ndclass.deltapublications.in\/index.php\/s-6-add-and-subtract-numbers-up-to-100\/\">Continue reading <span class=\"screen-reader-text\">&#8220;S.6 Add and subtract numbers up to 100&#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-334","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/334","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=334"}],"version-history":[{"count":12,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/334\/revisions"}],"predecessor-version":[{"id":22958,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/334\/revisions\/22958"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}