Help students learn and understand the mathematical principles of addition and subtraction! Students learn one math fact to know and understand four! Four simple steps that teach the commutative properties of addition and the inverse operation of subtraction. The steps can be applied to any addition\/subtraction problem. Assists students in checking their work! Plastic coating for durability and color-fastness. Write on, wipe off surface! 17″ X 22″ Grades 1-3<\/p>\n","protected":false},"excerpt":{"rendered":"
Help students learn and understand the mathematical principles of addition and subtraction! Students learn one math fact to know and understand four! Four simple steps that teach the commutative properties of addition and the inverse operation of subtraction. The steps can be applied to any addition\/subtraction problem. Assists students in checking their work! Plastic coating … Read more<\/a><\/p>\n","protected":false},"featured_media":390768,"template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-487848","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","7":"resize-featured-image","8":"sales-flash-overlay","9":"woocommerce-text-align-center","10":"woocommerce-image-align-center","11":"do-quantity-buttons","13":"first","14":"outofstock","15":"sold-individually","16":"purchasable","17":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/product\/487848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/media\/390768"}],"wp:attachment":[{"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/media?parent=487848"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/product_brand?post=487848"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/product_cat?post=487848"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.teachersparadise.com\/co\/wp-json\/wp\/v2\/product_tag?post=487848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}