{"id":11119,"date":"2024-05-21T08:02:19","date_gmt":"2024-05-21T08:02:19","guid":{"rendered":"https:\/\/1stclass.deltapublications.in\/?page_id=11119"},"modified":"2026-03-24T09:15:39","modified_gmt":"2026-03-24T09:15:39","slug":"i-13-related-subtraction-facts","status":"publish","type":"page","link":"https:\/\/1stclass.deltapublications.in\/index.php\/i-13-related-subtraction-facts\/","title":{"rendered":"I.13 Related subtraction facts"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-link-color wp-elements-34b99e644dee15649fba54553319df25\" style=\"color:#00056d;text-transform:uppercase\"><strong>Related subtraction facts<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-071aec683c99d954104ee0068dfb63f9\" style=\"color:#74008b\">Key notes:<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-secondary-color has-text-color has-link-color has-large-font-size wp-elements-18faa8dd3685cb7244f1393a8310d074\">What are Related Subtraction Facts?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Related subtraction facts come from the <strong>same group of numbers<\/strong>.<\/li>\n\n\n\n<li>They are connected to <strong>addition facts<\/strong>.<\/li>\n\n\n\n<li>They help us understand how numbers <strong>work together<\/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-secondary-color has-text-color has-link-color has-large-font-size wp-elements-c41de68199e065ba32a89aef75350099\">\ud83d\udd39 Fact Family (Number Family)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>fact family<\/strong> has <strong>3 numbers<\/strong>.<\/li>\n\n\n\n<li>These numbers make <strong>2 addition facts<\/strong> and <strong>2 subtraction facts<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example: Numbers <strong>3, 4, 7<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Addition facts:\n<ul class=\"wp-block-list\">\n<li>3 + 4 = 7<\/li>\n\n\n\n<li>4 + 3 = 7<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Subtraction facts:\n<ul class=\"wp-block-list\">\n<li>7 \u2212 3 = 4<\/li>\n\n\n\n<li>7 \u2212 4 = 3<\/li>\n<\/ul>\n<\/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-secondary-color has-text-color has-link-color has-large-font-size wp-elements-9ee2e4d7fc85f76504d96f513ea4c97d\">\ud83d\udd39 Key Idea<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Subtraction is the opposite of addition<\/strong>.<\/li>\n\n\n\n<li>If you know one addition fact, you can find related subtraction facts.<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example:<br>If <strong>5 + 2 = 7<\/strong>, then:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>7 \u2212 5 = 2<\/li>\n\n\n\n<li>7 \u2212 2 = 5<\/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-secondary-color has-text-color has-link-color has-large-font-size wp-elements-864d36e660193a72cc4d9b5372823e59\">\ud83d\udd39 Using Pictures or Objects<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use <strong>fingers, toys, or drawings<\/strong> to understand subtraction.<\/li>\n\n\n\n<li>Take away objects to see what is left.<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example:<br>\ud83c\udf4e\ud83c\udf4e\ud83c\udf4e\ud83c\udf4e\ud83c\udf4e (5 apples)<br>Take away 2 \u2192 \ud83c\udf4e\ud83c\udf4e\ud83c\udf4e (3 left)<br>So, <strong>5 \u2212 2 = 3<\/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-secondary-color has-text-color has-link-color has-large-font-size wp-elements-da467aed56ff1e06990959baffdce995\">\ud83d\udd39 Missing Number Practice<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fill in the blanks using related facts:<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example:<br>6 \u2212 ___ = 4 \u2192 Answer: <strong>2<\/strong><br>(Because 4 + 2 = 6)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-secondary-color has-text-color has-link-color has-large-font-size wp-elements-8b097a1877338dafeb5c1c1719274ca0\">\ud83d\udd39 Why It Is Important<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Helps in <strong>quick calculations<\/strong><\/li>\n\n\n\n<li>Builds strong <strong>number sense<\/strong><\/li>\n\n\n\n<li>Makes math <strong>easy and fun<\/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-secondary-color has-text-color has-link-color has-large-font-size wp-elements-a9b2f2d9a07d8744aafac16d67cd8f3c\">\ud83c\udfaf Quick Tips for Students<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Always think: <strong>\u201cWhat number is missing?\u201d<\/strong><\/li>\n\n\n\n<li>Use <strong>addition to check subtraction<\/strong><\/li>\n\n\n\n<li>Practice with <strong>small numbers (up to 20)<\/strong><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Related subtraction facts use the same numbers. To find the related subtraction fact, swap the numbers after the minus sign and the equals sign.<\/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-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-background\" style=\"background-color:#e9f2de\"><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-695539571f7520086af4134692d29219\" style=\"color:#b00012\">\ud83c\udf44Which is the related subtraction fact for <strong>10 \u2212 3 = 7?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>7 \u2212 3 = 4<\/li>\n\n\n\n<li>10 \u2212 8 = 2<\/li>\n\n\n\n<li>10 \u2212 6 = 4<\/li>\n\n\n\n<li>10 \u2212 7 = 3<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>This is a subtraction fact.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10 \u2212 3 = 7<\/li>\n<\/ul>\n\n\n\n<p>This is the related fact.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10 \u2212 7 = 3<\/li>\n<\/ul>\n\n\n\n<p>Notice how the 3 and the 7 changed places.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background\" style=\"background-color:#e1dff2\"><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-0f35bfd5a6ae45edb9db52e68b085ca1\" style=\"color:#b00012\">\ud83c\udf44Which is the related subtraction fact for <strong>6 \u2212 5 = 1<\/strong>?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 \u2212 1 = 5<\/li>\n\n\n\n<li>10 \u2212 1 = 9<\/li>\n\n\n\n<li>5 \u2212 1 = 4<\/li>\n\n\n\n<li>6 \u2212 0 = 6<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>This is a subtraction fact.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 \u2212 5 = 1<\/li>\n<\/ul>\n\n\n\n<p>This is the related fact.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 \u2212 1 = 5<\/li>\n<\/ul>\n\n\n\n<p>Notice how the 5 and the 1 changed places.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background\" style=\"background-color:#f2dfe2\"><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-478fae0cc40f7b196919391425127554\" style=\"color:#b00012\">\ud83c\udf44Which is the related subtraction fact for <strong>9 \u2212 2 = 7<\/strong>?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>9 \u2212 6 = 3<\/li>\n\n\n\n<li>8 \u2212 7 = 1<\/li>\n\n\n\n<li>9 \u2212 7 = 2<\/li>\n\n\n\n<li>7 \u2212 2 = 5<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p>This is a subtraction fact.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>9 \u2212 2 = 7<\/li>\n<\/ul>\n\n\n\n<p>This is the related fact.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>9 \u2212 7 = 2<\/li>\n<\/ul>\n\n\n\n<p>Notice how the 2 and the 7 changed places.<\/p>\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\/80851\/062\/880\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-66.png\" alt=\"\" class=\"wp-image-12054\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-66.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-66-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-66-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-66-400x400.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\/29920\/958\/329\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-66.png\" alt=\"\" class=\"wp-image-12055\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-66.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-66-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-66-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-66-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Related subtraction facts Key notes: What are Related Subtraction Facts? \ud83d\udd39 Fact Family (Number Family) \ud83d\udc49 Example: Numbers 3, 4, 7 \ud83d\udd39 Key Idea \ud83d\udc49 Example:If 5 + 2 = 7, then: \ud83d\udd39 Using Pictures or Objects \ud83d\udc49 Example:\ud83c\udf4e\ud83c\udf4e\ud83c\udf4e\ud83c\udf4e\ud83c\udf4e (5 apples)Take away 2 \u2192 \ud83c\udf4e\ud83c\udf4e\ud83c\udf4e (3 left)So, 5 \u2212 2 = 3 \ud83d\udd39 Missing Number<a class=\"more-link\" href=\"https:\/\/1stclass.deltapublications.in\/index.php\/i-13-related-subtraction-facts\/\">Continue reading <span class=\"screen-reader-text\">&#8220;I.13 Related subtraction facts&#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-11119","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11119","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=11119"}],"version-history":[{"count":9,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11119\/revisions"}],"predecessor-version":[{"id":20088,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11119\/revisions\/20088"}],"wp:attachment":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=11119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}