{"id":1780,"date":"2019-01-25T06:15:03","date_gmt":"2019-01-25T05:15:03","guid":{"rendered":"http:\/\/colingua.eu\/?post_type=teaching_materials&#038;p=1780"},"modified":"2020-06-03T10:55:23","modified_gmt":"2020-06-03T09:55:23","slug":"mayan-maths","status":"publish","type":"teaching_materials","link":"http:\/\/colingua.eu\/lv\/teaching_materials\/mayan-maths\/","title":{"rendered":"Mayan maths"},"content":{"rendered":"<p>The Maya used 3 basic signs to write down numbers. It\u2019s a vigesimal (or base-20) system, so numbers from 1-19 are written down with bars and dots. In calendrical contexts, numbers above 20 were written down in vertical columns, where the lowest row is ones, next twenties, then 360\u2019s, etc.<\/p>","protected":false},"author":7,"featured_media":717,"template":"","_links":{"self":[{"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/teaching_materials\/1780"}],"collection":[{"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/teaching_materials"}],"about":[{"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/types\/teaching_materials"}],"author":[{"embeddable":true,"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":1,"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/teaching_materials\/1780\/revisions"}],"predecessor-version":[{"id":1783,"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/teaching_materials\/1780\/revisions\/1783"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/media\/717"}],"wp:attachment":[{"href":"http:\/\/colingua.eu\/lv\/wp-json\/wp\/v2\/media?parent=1780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}