  {"id":835,"date":"2025-01-14T16:44:14","date_gmt":"2025-01-14T16:44:14","guid":{"rendered":"https:\/\/www.terc.edu\/becalm\/?page_id=835"},"modified":"2025-10-21T14:30:44","modified_gmt":"2025-10-21T14:30:44","slug":"operation-sense","status":"publish","type":"page","link":"https:\/\/www.terc.edu\/becalm\/operation-sense\/","title":{"rendered":"Operation Sense"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"476\" height=\"244\" src=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/02\/BeCALM_OpSense_logo.png\" alt=\"\" class=\"wp-image-873\" srcset=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/02\/BeCALM_OpSense_logo.png 476w, https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/02\/BeCALM_OpSense_logo-300x154.png 300w\" sizes=\"auto, (max-width: 476px) 100vw, 476px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">The <strong>Operation Sense <\/strong>materials develop operation sense with addition and subtraction. Students should first have a good understanding of the Number Sense materials before moving on to Operation Sense. Most of the content in the Operation Sense materials is not about teaching or even reviewing the usual algorithms for addition and subtraction. Rather, learners share and strengthen their own trustworthy strategies, which may include sequential doubling, halving, multiplying by multiples of 10, and using the commutative, associative, and distributive properties.<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><em>English versions last updated in 2025. Spanish versions last updated 2023.<\/em><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"has-medium-font-size wp-block-paragraph\" style=\"font-style:normal;font-weight:600\"><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/10\/OperationSense_TeachersGuide_Oct2025.docx\" target=\"_blank\" rel=\"noreferrer noopener\">BeCALM Operation Sense Teacher&#8217;s Guide (Word)<\/a><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\" style=\"font-style:normal;font-weight:600\"><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/10\/OperationSense_TeachersGuide_Oct2025.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">BeCALM Operation Sense Teacher&#8217;s Guide (PDF)<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column has-medium-font-size is-layout-flow wp-block-column-is-layout-flow\" style=\"font-style:normal;font-weight:600;flex-basis:40%\">\n<p class=\"wp-block-paragraph\"><strong><em><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/03\/OperationSense_Pt2_TeachersGuide_SPANISH.docx\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a1Descarga en espa\u00f1ol!<\/a><\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/03\/OperationSense_Pt2_TeachersGuide_SPANISH.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a1Descarga en espa\u00f1ol!<\/a><\/em><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"has-medium-font-size wp-block-paragraph\" style=\"font-style:normal;font-weight:600\"><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/10\/OperationSense_StudentPacket_Oct2025.docx\" target=\"_blank\" rel=\"noreferrer noopener\">BeCALM Operation Sense Student Packet (Word)<\/a><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\" style=\"font-style:normal;font-weight:600\"><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/10\/OperationSense_StudentPacket_Oct2025.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">BeCALM Operation Sense Student Packet (PDF)<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<p class=\"has-medium-font-size wp-block-paragraph\" style=\"font-style:normal;font-weight:600\"><strong><em><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/04\/OperationSense_Pt2_StudentPacket_SPANISH-1.docx\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a1Descarga en espa\u00f1ol!<\/a><\/em><\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\" style=\"font-style:normal;font-weight:600\"><strong><em><a href=\"https:\/\/www.terc.edu\/becalm\/wp-content\/uploads\/sites\/53\/2025\/04\/OperationSense_Pt2_StudentPacket_SPANISH-1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a1Descarga en espa\u00f1ol!<\/a><\/em><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Operation Sense materials develop operation sense with addition and subtraction. Students should first have a good understanding of the Number Sense materials before moving on to Operation Sense. Most of the content in the Operation Sense materials is not about teaching or even reviewing the usual algorithms for addition and subtraction. Rather, learners share and strengthen their own trustworthy strategies, which may include sequential doubling, halving, multiplying by multiples of 10, and using the commutative,  <a href=\"https:\/\/www.terc.edu\/becalm\/operation-sense\/\">&nbsp;&raquo;&nbsp;Read more<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-fullwidth.php","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"1","_relevanssi_noindex_reason":"","footnotes":""},"class_list":["post-835","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/pages\/835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/comments?post=835"}],"version-history":[{"count":26,"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/pages\/835\/revisions"}],"predecessor-version":[{"id":1513,"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/pages\/835\/revisions\/1513"}],"wp:attachment":[{"href":"https:\/\/www.terc.edu\/becalm\/wp-json\/wp\/v2\/media?parent=835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}