{"id":11073,"date":"2024-05-21T07:43:48","date_gmt":"2024-05-21T07:43:48","guid":{"rendered":"https:\/\/1stclass.deltapublications.in\/?page_id=11073"},"modified":"2025-12-08T09:36:05","modified_gmt":"2025-12-08T09:36:05","slug":"h-1-subtracting-1","status":"publish","type":"page","link":"https:\/\/1stclass.deltapublications.in\/index.php\/h-1-subtracting-1\/","title":{"rendered":"H.1 Subtracting 1"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-link-color wp-elements-4b354357f05c5e7029861f62b9f6135b\" style=\"color:#00056d;text-transform:uppercase\"><strong>Subtracting 1<\/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<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udf4e <strong>Meaning of Subtracting 1<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Subtracting 1 means <strong>taking away one object<\/strong> from a group.<\/li>\n\n\n\n<li>Example: If you have <strong>5 apples<\/strong> and take away <strong>1 apple<\/strong>, you have <strong>4 apples<\/strong> left.<\/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\udd22 <strong>Subtracting 1 Makes the Number Smaller<\/strong><\/h3>\n\n\n\n<p>When we subtract 1, the number becomes <strong>one less<\/strong>.<\/p>\n\n\n\n<p>Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>7 \u2212 1 = <strong>6<\/strong><\/li>\n\n\n\n<li>3 \u2212 1 = <strong>2<\/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\udcc9 <strong>\u201cOne Less Than\u201d<\/strong><\/h3>\n\n\n\n<p>The answer is the number that comes <strong>just before<\/strong> it on the number line.<\/p>\n\n\n\n<p>Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>One less than 9 is <strong>8<\/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\udccf <strong>Using a Number Line<\/strong><\/h3>\n\n\n\n<p>Students can jump <strong>back one step<\/strong> to subtract 1.<br>Example:<br>Start at <strong>6<\/strong>, jump back <strong>1 step<\/strong>, land on <strong>5<\/strong> \u2192 6 \u2212 1 = 5.<\/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\">\ud83c\udf6d <strong>Using Pictures or Objects<\/strong><\/h3>\n\n\n\n<p>Kids can use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83c\udf6c Candies<\/li>\n\n\n\n<li>\ud83e\uddf1 Blocks<\/li>\n\n\n\n<li>\ud83e\uddf8 Toys<\/li>\n\n\n\n<li>\u270f\ufe0f Pencils<br>Take away <strong>one item<\/strong> to see the answer.<\/li>\n<\/ul>\n\n\n\n<p>Example:<br>\ud83c\udf88\ud83c\udf88\ud83c\udf88\ud83c\udf88 \u2192 take away one \ud83c\udf88 \u2192 \ud83c\udf88\ud83c\udf88\ud83c\udf88 (4 \u2212 1 = 3)<\/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\">\ud83e\udde0 <strong>Quick Mental Trick<\/strong><\/h3>\n\n\n\n<p>Just say the number that comes <strong>before<\/strong>.<br>Example:<br>What is 10 \u2212 1?<br>Think: What number comes before 10? \u2192 <strong>9<\/strong><\/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\">\ud83e\udde9 <strong>Subtracting 1 Helps With Bigger Math<\/strong><\/h3>\n\n\n\n<p>Learning to subtract 1 helps students later subtract <strong>bigger numbers<\/strong>, learn <strong>patterns<\/strong>, and improve <strong>mental math<\/strong>.<\/p>\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:#feb8b8\"><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-778cec40caac238d1527ff1f89d681d1\" style=\"color:#b00012\">\u270f\ufe0f <strong>Subtract. 2\u20131=<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-link-color wp-elements-efcacafbea3930923d4e95a0edb917b9\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li>You can count back to find 2\u20131. Start at 2 and count back 1 time.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"716\" height=\"97\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-73.png\" alt=\"\" class=\"wp-image-11849\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-73.png 716w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-73-300x41.png 300w\" sizes=\"auto, (max-width: 716px) 100vw, 716px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You end at 1.<\/li>\n\n\n\n<li>2\u20131=1<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#d8f0ce\"><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-188d60117484c36929bd0c9c55567a1b\" style=\"color:#b00012\">\u270f\ufe0f <strong>Subtract. 7\u20131=<\/strong><\/p>\n\n\n\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<ul class=\"wp-block-list\">\n<li class=\"has-primary-color has-text-color has-link-color wp-elements-249d7693ed7e2fbad93f3b49cd97c478\">You can count back to find 7\u20131. Start at 7 and count back 1 time.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"685\" height=\"94\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-74.png\" alt=\"\" class=\"wp-image-11850\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-74.png 685w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-74-300x41.png 300w\" sizes=\"auto, (max-width: 685px) 100vw, 685px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You end at 6.<\/li>\n\n\n\n<li>7\u20131=6<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-text-color has-background has-link-color has-large-font-size wp-elements-b321da5b8d41ea306c57b2fecca9319d\" style=\"background-color:#cee2f0\"><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-7728bb3cee1a806ab15f120816658a9c\" style=\"color:#b00012\">\u270f\ufe0f <strong>Subtract. 4\u20131=<\/strong><\/p>\n\n\n\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<ul class=\"wp-block-list\">\n<li class=\"has-primary-color has-text-color has-link-color wp-elements-cea122691df6b86ca8c56df3833e47c8\">You can count back to find 4\u20131. Start at 4 and count back 1 time.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"691\" height=\"110\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-75.png\" alt=\"\" class=\"wp-image-11851\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-75.png 691w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-75-300x48.png 300w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You end at 3.<\/li>\n\n\n\n<li>4\u20131=3<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-393a4b8abea486ac52ee307675e66f42\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/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\/80685\/546\/519\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-44.png\" alt=\"\" class=\"wp-image-11852\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-44.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-44-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-44-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-44-400x400.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\/29912\/743\/925\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-44.png\" alt=\"\" class=\"wp-image-11853\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-44.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-44-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-44-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-44-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Subtracting 1 key notes : \ud83c\udf4e Meaning of Subtracting 1 \ud83d\udd22 Subtracting 1 Makes the Number Smaller When we subtract 1, the number becomes one less. Example: \ud83d\udcc9 \u201cOne Less Than\u201d The answer is the number that comes just before it on the number line. Example: \ud83d\udccf Using a Number Line Students can jump back<a class=\"more-link\" href=\"https:\/\/1stclass.deltapublications.in\/index.php\/h-1-subtracting-1\/\">Continue reading <span class=\"screen-reader-text\">&#8220;H.1 Subtracting 1&#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":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-11073","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=11073"}],"version-history":[{"count":17,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11073\/revisions"}],"predecessor-version":[{"id":20015,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11073\/revisions\/20015"}],"wp:attachment":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=11073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}