{"id":73,"date":"2022-08-16T19:48:25","date_gmt":"2022-08-16T23:48:25","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/math022\/chapter\/subtraction\/"},"modified":"2025-01-22T13:13:02","modified_gmt":"2025-01-22T18:13:02","slug":"subtraction","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/math022\/chapter\/subtraction\/","title":{"raw":"Topic A: Subtraction","rendered":"Topic A: Subtraction"},"content":{"raw":"<strong>Subtraction<\/strong> takes an amount <strong>away<\/strong> from another amount. The result of subtraction is called the <strong>difference<\/strong>.\n\nThe <strong>minus sign \u2212<\/strong>\u00a0means to subtract. <img class=\"size-full wp-image-72 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2380\/2022\/08\/9-3.jpg\" alt=\"9 minus 6 is 6\" width=\"261\" height=\"41\">\n\nThis says nine minus three equals six or nine take away three is six. The <strong>difference<\/strong> between 9 and 3 is 6.\n\nSubtraction is the opposite of addition. Look at the examples:\n<table style=\"border-collapse: collapse;width: 100%\" border=\"0\">\n<tbody>\n<tr>\n<th style=\"width: 50%\" scope=\"col\">Addition<\/th>\n<th style=\"width: 50%\" scope=\"col\">Subtraction<\/th>\n<\/tr>\n<tr>\n<td>5 + 4 = 9<\/td>\n<td>9 \u2013 4 = 5<\/td>\n<\/tr>\n<tr>\n<td>4 + 5 = 9<\/td>\n<td>9 \u2013 5 = 4<\/td>\n<\/tr>\n<tr>\n<td>[latex]\\begin{array}[t]{rr}&amp;8\\\\ + &amp;3\\\\ \\hline &amp;11\\end{array}[\/latex]<\/td>\n<td>[latex]\\begin{array}[t]{rr}11\\\\ \u2212 &amp;3 \\\\ \\hline &amp;8\\end{array}[\/latex]<\/td>\n<\/tr>\n<tr>\n<td>[latex]\\begin{array}[t]{rr}&amp;3 \\\\+ &amp;8 \\\\ \\hline &amp;11\\end{array}[\/latex]<\/td>\n<td>[latex]\\begin{array}[t]{rr}11 \\\\\u2212 &amp;8 \\\\ \\hline&amp;3\\end{array}[\/latex]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nSubtraction facts are a tool that you use to do subtraction questions.\n<div class=\"textbox textbox--exercises\"><header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise One<\/p>\n\n<\/header>\n<div class=\"textbox__content\">\n\nCheck out your subtraction facts by doing this exercise as quickly as you can. Then, make a list of any subtraction facts you do not know or are tricky for you - practice them.\n<ol class=\"threecolumn\" type=\"a\">\n \t<li>[latex]\\begin{array}[t]{rr}&amp;5\\\\-&amp;2\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;9\\\\-&amp;1\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;12\\\\-&amp;4\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;4\\\\-&amp;2\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;17\\\\-&amp;9\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;2\\\\-&amp;1\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;11\\\\-&amp;9\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;7\\\\-&amp;7\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;14\\\\-&amp;6\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;16\\\\-&amp;9\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;9\\\\-&amp;3\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;8\\\\-&amp;1\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;9\\\\-&amp;0\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;14\\\\-&amp;8\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;10\\\\-&amp;5\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n \t<li>[latex]\\begin{array}[t]{rr}&amp;15\\\\-&amp;8\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n<strong>Answers to Exercise One<\/strong>\n<ol class=\"threecolumn\" type=\"a\">\n \t<li>3<\/li>\n \t<li>8<\/li>\n \t<li>8<\/li>\n \t<li>2<\/li>\n \t<li>8<\/li>\n \t<li>1<\/li>\n \t<li>2<\/li>\n \t<li>0<\/li>\n \t<li>8<\/li>\n \t<li>7<\/li>\n \t<li>6<\/li>\n \t<li>7<\/li>\n \t<li>9<\/li>\n \t<li>6<\/li>\n \t<li>5<\/li>\n \t<li>7<\/li>\n<\/ol>\n<\/div>\n<\/div>\nNote: There is no self-test for this topic.","rendered":"<p><strong>Subtraction<\/strong> takes an amount <strong>away<\/strong> from another amount. The result of subtraction is called the <strong>difference<\/strong>.<\/p>\n<p>The <strong>minus sign \u2212<\/strong>\u00a0means to subtract. <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-72 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/wp-content\/uploads\/sites\/2380\/2022\/08\/9-3.jpg\" alt=\"9 minus 6 is 6\" width=\"261\" height=\"41\" srcset=\"https:\/\/pressbooks.bccampus.ca\/math022\/wp-content\/uploads\/sites\/2380\/2022\/08\/9-3.jpg 261w, https:\/\/pressbooks.bccampus.ca\/math022\/wp-content\/uploads\/sites\/2380\/2022\/08\/9-3-65x10.jpg 65w, https:\/\/pressbooks.bccampus.ca\/math022\/wp-content\/uploads\/sites\/2380\/2022\/08\/9-3-225x35.jpg 225w\" sizes=\"auto, (max-width: 261px) 100vw, 261px\" \/><\/p>\n<p>This says nine minus three equals six or nine take away three is six. The <strong>difference<\/strong> between 9 and 3 is 6.<\/p>\n<p>Subtraction is the opposite of addition. Look at the examples:<\/p>\n<table style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<th style=\"width: 50%\" scope=\"col\">Addition<\/th>\n<th style=\"width: 50%\" scope=\"col\">Subtraction<\/th>\n<\/tr>\n<tr>\n<td>5 + 4 = 9<\/td>\n<td>9 \u2013 4 = 5<\/td>\n<\/tr>\n<tr>\n<td>4 + 5 = 9<\/td>\n<td>9 \u2013 5 = 4<\/td>\n<\/tr>\n<tr>\n<td>[latex]\\begin{array}[t]{rr}&8\\\\ + &3\\\\ \\hline &11\\end{array}[\/latex]<\/td>\n<td>[latex]\\begin{array}[t]{rr}11\\\\ \u2212 &3 \\\\ \\hline &8\\end{array}[\/latex]<\/td>\n<\/tr>\n<tr>\n<td>[latex]\\begin{array}[t]{rr}&3 \\\\+ &8 \\\\ \\hline &11\\end{array}[\/latex]<\/td>\n<td>[latex]\\begin{array}[t]{rr}11 \\\\\u2212 &8 \\\\ \\hline&3\\end{array}[\/latex]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Subtraction facts are a tool that you use to do subtraction questions.<\/p>\n<div class=\"textbox textbox--exercises\">\n<header class=\"textbox__header\">\n<p class=\"textbox__title\">Exercise One<\/p>\n<\/header>\n<div class=\"textbox__content\">\n<p>Check out your subtraction facts by doing this exercise as quickly as you can. Then, make a list of any subtraction facts you do not know or are tricky for you &#8211; practice them.<\/p>\n<ol class=\"threecolumn\" type=\"a\">\n<li>[latex]\\begin{array}[t]{rr}&5\\\\-&2\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&9\\\\-&1\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&12\\\\-&4\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&4\\\\-&2\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&17\\\\-&9\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&2\\\\-&1\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&11\\\\-&9\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&7\\\\-&7\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&14\\\\-&6\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&16\\\\-&9\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&9\\\\-&3\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&8\\\\-&1\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&9\\\\-&0\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&14\\\\-&8\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&10\\\\-&5\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<li>[latex]\\begin{array}[t]{rr}&15\\\\-&8\\\\ \\hline \\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n<p><strong>Answers to Exercise One<\/strong><\/p>\n<ol class=\"threecolumn\" type=\"a\">\n<li>3<\/li>\n<li>8<\/li>\n<li>8<\/li>\n<li>2<\/li>\n<li>8<\/li>\n<li>1<\/li>\n<li>2<\/li>\n<li>0<\/li>\n<li>8<\/li>\n<li>7<\/li>\n<li>6<\/li>\n<li>7<\/li>\n<li>9<\/li>\n<li>6<\/li>\n<li>5<\/li>\n<li>7<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p>Note: There is no self-test for this topic.<\/p>\n","protected":false},"author":999,"menu_order":1,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-73","chapter","type-chapter","status-publish","hentry"],"part":71,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/73","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/users\/999"}],"version-history":[{"count":1,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/73\/revisions"}],"predecessor-version":[{"id":74,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/73\/revisions\/74"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/parts\/71"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/73\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/media?parent=73"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapter-type?post=73"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/contributor?post=73"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/license?post=73"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}