{"id":11109,"date":"2024-05-21T07:59:11","date_gmt":"2024-05-21T07:59:11","guid":{"rendered":"https:\/\/1stclass.deltapublications.in\/?page_id=11109"},"modified":"2025-10-31T09:01:54","modified_gmt":"2025-10-31T09:01:54","slug":"i-8-subtraction-facts-numbers-up-to-18","status":"publish","type":"page","link":"https:\/\/1stclass.deltapublications.in\/index.php\/i-8-subtraction-facts-numbers-up-to-18\/","title":{"rendered":"I.8 Subtraction facts &#8211; numbers up to 18"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-link-color wp-elements-87e8c38ca3a8363e07ad7dfb2c91026c\" style=\"color:#00056d;text-transform:uppercase\"><strong>Subtraction facts &#8211; numbers up to 18<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-203290aba75681a4fb07a0852f132b50\" style=\"color:#74008b;text-transform:capitalize\">key notes :<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-d8093d3b601adb57b1b9a939d074634b\" style=\"color:#000060\"><strong>Introduction to Subtraction<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Subtraction is the process of taking away one number from another.<\/li>\n\n\n\n<li>It is the opposite of addition.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-7befd06c25f77d5efd1ee48fd53ae953\" style=\"color:#000060\"><strong>Subtraction Symbols<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">The subtraction sign is (-), and the result is called the &#8220;difference.&#8221;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-9a430fcd5778bafce6a5e0a39b0e580a\" style=\"color:#000060\"><strong>Numbers within 18<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Subtraction facts focus on numbers up to 18.<\/li>\n\n\n\n<li>Examples: 18 &#8211; 2 = 16, 15 &#8211; 5 = 10.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-96a70fd78e1e2809099d7f4d0da0593a\" style=\"color:#000060\"><strong>Zero Property of Subtraction<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Any number minus 0 remains the same.<\/li>\n\n\n\n<li>Example: 7 &#8211; 0 = 7.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-48f3007c4c5b4b05eb4105a5ab82e601\" style=\"color:#000060\"><strong>Subtraction from Itself<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Any number minus itself equals 0.<\/li>\n\n\n\n<li>Example: 8 &#8211; 8 = 0.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-c94dfc836ec65552a7734de5636e81c2\" style=\"color:#000060\"><strong>Counting Backwards<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Subtraction can be visualized as counting backwards on a number line.<\/li>\n\n\n\n<li>Example: Start at 12 and count back 3 steps to get 9.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-05797341c46ef93720f4c7b07e67d4e0\" style=\"color:#000060\"><strong>Relation Between Addition and Subtraction<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Subtraction facts are linked to addition facts.<\/li>\n\n\n\n<li>Example: If 5 + 3 = 8, then 8 &#8211; 3 = 5.<\/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:#d8e6c8\"><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-d71ab0d83560f60f8ffdf6e30e4f1ef1\" style=\"color:#b00012\">\u2666\ufe0f<strong>Subtract. 14\u20137=<\/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>You can count back to find 14\u20137. Start at 14 and count back 7 times.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"693\" height=\"107\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-113.png\" alt=\"\" class=\"wp-image-11993\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-113.png 693w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-113-300x46.png 300w\" sizes=\"auto, (max-width: 693px) 100vw, 693px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You end at 7.<\/li>\n\n\n\n<li>14\u20137=7<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\">__________________________________________________<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You can also use 10 to find 14\u20137.<\/li>\n\n\n\n<li>Start at 14. Subtract 4 to get to 10. Then subtract 3 more. That way, you subtract 7 in all.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"704\" height=\"118\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-114.png\" alt=\"\" class=\"wp-image-11994\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-114.png 704w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-114-300x50.png 300w\" sizes=\"auto, (max-width: 704px) 100vw, 704px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You end at 7.<\/li>\n\n\n\n<li>14\u20137=7<\/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:#c8dde6\"><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-cd64c2fb7c315a237e4bd11d69f8424a\" style=\"color:#b00012\">\u2666\ufe0f<strong>Subtract. 9\u20133=<\/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>You can count back to find 9\u20133. Start at 9 and count back 3 times.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"670\" height=\"93\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-115.png\" alt=\"\" class=\"wp-image-11995\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-115.png 670w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-115-300x42.png 300w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You end at 6.<\/li>\n\n\n\n<li>9\u20133=6<\/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:#e6c8e2\"><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-344bc1133fe526b14a4ea4ceef7f4627\" style=\"color:#b00012\">\u2666\ufe0f<strong>Subtract. 8\u20137=<\/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>You can count on to find 8\u20137. Start at 7. Count on until you reach 8.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"678\" height=\"99\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-116.png\" alt=\"\" class=\"wp-image-11996\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-116.png 678w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/image-116-300x44.png 300w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You counted on 1 time.<\/li>\n\n\n\n<li>8\u20137=1<\/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-de9e97447719430221d5ffbb0cb6d2aa\" 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\/80843\/050\/894\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-61.png\" alt=\"\" class=\"wp-image-11997\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-61.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-61-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-61-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-61-400x400.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\/29916\/632\/565\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-61.png\" alt=\"\" class=\"wp-image-11998\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-61.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-61-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-61-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-61-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Subtraction facts &#8211; numbers up to 18 key notes : Introduction to Subtraction Subtraction Symbols Numbers within 18 Zero Property of Subtraction Subtraction from Itself Counting Backwards Relation Between Addition and Subtraction Learn with an example \u2666\ufe0fSubtract. 14\u20137= __________________________________________________ \u2666\ufe0fSubtract. 9\u20133= \u2666\ufe0fSubtract. 8\u20137= Let&#8217;s practice!<\/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-11109","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11109","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=11109"}],"version-history":[{"count":11,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11109\/revisions"}],"predecessor-version":[{"id":19592,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11109\/revisions\/19592"}],"wp:attachment":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=11109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}