{"id":70222,"date":"2020-04-08T12:13:49","date_gmt":"2020-04-08T16:13:49","guid":{"rendered":"http:\/\/schools.wrdsb.ca\/athome\/?page_id=70222"},"modified":"2020-05-25T14:07:32","modified_gmt":"2020-05-25T18:07:32","slug":"strike-it-out","status":"publish","type":"page","link":"https:\/\/schools.wrdsb.ca\/athome\/learn\/elementary-home\/elementary-2\/math\/math-grades-7-8\/games\/strike-it-out\/","title":{"rendered":"Strike It Out"},"content":{"rendered":"<h5>Games<\/h5>\n<p>Start by drawing a number line from 0 to 20 like this:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-70223 size-full\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/04\/numberline.gif\" alt=\"\" width=\"550\" height=\"37\" \/><\/p>\n<p><a href=\"https:\/\/nrich.maths.org\/content\/id\/6589\/Strike%20it%20Out%20Number%20Lines.doc\" target=\"_blank\" rel=\"noopener\">You can find some of these number lines here<\/a>.<br \/>\nPlayer 1 chooses a number on the line and crosses it out.<br \/>\nPlayer 1 then chooses a second number and crosses that out too.<br \/>\nFinally, Player 1 circles the sum or difference of the two numbers and writes down the calculation.<\/p>\n<p>For example, the first player&#8217;s turn could look like this:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-70226\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/04\/numberlineplayer1.gif\" alt=\"\" width=\"550\" height=\"100\" \/><\/p>\n<p>Player 2 must start by crossing off the number that Player 1has just circled. Player 2 then chooses another number to cross out and then circles a third number which is the sum or difference of the two crossed-off numbers. Player 2 also writes down their calculation.<\/p>\n<p>For example, once Player 2 has had a turn, the game could look like this:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-70227\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/04\/numberlineplayer2.gif\" alt=\"\" width=\"550\" height=\"130\" \/><\/p>\n<p>Play continues in this way with each player starting with the number that has just been circled.<\/p>\n<p>For example, Player 1 could then have a turn which left the game looking like this:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-70226\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/04\/numberlineplayer1.gif\" alt=\"\" width=\"550\" height=\"100\" \/><\/p>\n<p>The winner of the game is the player who stops their opponent from being able to go.<\/p>\n<h3>Variation:<\/h3>\n<p>Include integer addition and subtraction by drawing the number line from -10 to +10.<\/p>\n<p>Source: <a href=\"http:\/\/nrich.maths.org\/6589\" target=\"_blank\" rel=\"noopener\">nrich.maths.org\/6589<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a game for two players.<\/p>\n","protected":false},"author":15985,"featured_media":0,"parent":72939,"menu_order":13,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-70222","page","type-page","status-publish","hentry","category-elementary"],"_links":{"self":[{"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/pages\/70222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/users\/15985"}],"replies":[{"embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/comments?post=70222"}],"version-history":[{"count":0,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/pages\/70222\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/pages\/72939"}],"wp:attachment":[{"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/media?parent=70222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/categories?post=70222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/tags?post=70222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}