{"id":288,"date":"2022-04-11T05:35:19","date_gmt":"2022-04-11T05:35:19","guid":{"rendered":"http:\/\/2ndclass.deltapublications.in\/?page_id=288"},"modified":"2026-03-26T05:24:36","modified_gmt":"2026-03-26T05:24:36","slug":"o-7-count-vertices-edges-and-faces","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/o-7-count-vertices-edges-and-faces\/","title":{"rendered":"O.7 Count vertices, edges and faces"},"content":{"rendered":"\n<p class=\"has-text-align-center has-text-color has-link-color has-huge-font-size wp-elements-56bb586c326ac412dfe72127b97eb683\" style=\"color:#00056d;text-transform:uppercase\"><strong>Count vertices, edges, and faces<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-f79afd6ea8b322268468366b8e5f7cc7\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd37 What are 3D Shapes?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3D shapes are <strong>solid objects<\/strong> (they have length, width, and height).<\/li>\n\n\n\n<li>Examples: cube, cuboid, sphere, cone, cylinder.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd39 Vertices (Corners)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>vertex (plural: vertices)<\/strong> is a <strong>corner point<\/strong>.<\/li>\n\n\n\n<li>Where edges meet.<\/li>\n\n\n\n<li>Example: A cube has <strong>8 vertices<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Easy tip: <strong>\u201cCorners = Vertices\u201d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd39 Edges (Lines)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An <strong>edge<\/strong> is a <strong>line where two faces meet<\/strong>.<\/li>\n\n\n\n<li>Example: A cube has <strong>12 edges<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Easy tip: <strong>\u201cLines = Edges\u201d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd39 Faces (Flat Surfaces)<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>face<\/strong> is a <strong>flat surface<\/strong> of a shape.<\/li>\n\n\n\n<li>Example: A cube has <strong>6 faces<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Easy tip: <strong>\u201cFlat sides = Faces\u201d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd38 Examples of Shapes<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Shape<\/th><th>Vertices<\/th><th>Edges<\/th><th>Faces<\/th><\/tr><\/thead><tbody><tr><td>Cube<\/td><td>8<\/td><td>12<\/td><td>6<\/td><\/tr><tr><td>Cuboid<\/td><td>8<\/td><td>12<\/td><td>6<\/td><\/tr><tr><td>Cone<\/td><td>1<\/td><td>1<\/td><td>2<\/td><\/tr><tr><td>Cylinder<\/td><td>0<\/td><td>2<\/td><td>3<\/td><\/tr><tr><td>Sphere<\/td><td>0<\/td><td>0<\/td><td>1 (curved)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83c\udf1f Teaching Tips<\/h2>\n\n\n\n<p>Use <strong>real objects<\/strong> (dice, box, ball, can).<\/p>\n\n\n\n<p>Let students <strong>touch and count<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ask questions like:<\/li>\n\n\n\n<li>\u201cHow many corners can you see?\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u201cHow many flat sides?\u201d<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83c\udfaf Simple Summary<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vertices = Corners<\/strong><\/li>\n\n\n\n<li><strong>Edges = Lines<\/strong><\/li>\n\n\n\n<li><strong>Faces = Flat surfaces<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-large-font-size\" style=\"color:#105000\"><strong>Learn with an example<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#e5c89c\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-977f3f65b2555cfafd92bc038e3e99b8\" style=\"color:#b00012\">How&nbsp;many faces does this shape&nbsp;have?<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"396\" height=\"363\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-removebg-preview-2.png\" alt=\"\" class=\"wp-image-21185\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-removebg-preview-2.png 396w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-removebg-preview-2-300x275.png 300w\" sizes=\"auto, (max-width: 396px) 100vw, 396px\" \/><\/figure><\/div>\n\n\n<p>___________ faces<\/p>\n\n\n\n<div class=\"wp-block-group has-tertiary-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>Faces<\/strong>&nbsp;are the flat parts of the shape. Here is a&nbsp;face.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"478\" height=\"307\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-44.png\" alt=\"\" class=\"wp-image-21182\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-44.png 478w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-44-300x193.png 300w\" sizes=\"auto, (max-width: 478px) 100vw, 478px\" \/><\/figure><\/div>\n\n\n<p>Count&nbsp;the&nbsp;faces.<\/p>\n\n\n\n<p>Start&nbsp;with the two opposite&nbsp;faces.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"667\" height=\"428\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-45.png\" alt=\"\" class=\"wp-image-21183\" style=\"width:482px;height:auto\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-45.png 667w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-45-300x193.png 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/figure><\/div>\n\n\n<p>Next,&nbsp;go around the&nbsp;shape.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"351\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-46-1024x351.png\" alt=\"\" class=\"wp-image-21184\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-46-1024x351.png 1024w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-46-300x103.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-46-768x263.png 768w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-46.png 1104w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The&nbsp;shape has&nbsp;6&nbsp;faces.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#d2edbf\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color has-link-color wp-elements-977f3f65b2555cfafd92bc038e3e99b8\" style=\"color:#b00012\">How&nbsp;many faces does this shape&nbsp;have?<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"345\" height=\"449\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-removebg-preview-3.png\" alt=\"\" class=\"wp-image-21188\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-removebg-preview-3.png 345w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-removebg-preview-3-231x300.png 231w\" sizes=\"auto, (max-width: 345px) 100vw, 345px\" \/><\/figure><\/div>\n\n\n<p>____________&nbsp;faces<\/p>\n\n\n\n<div class=\"wp-block-group has-tertiary-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>Faces<\/strong>&nbsp;are the flat parts of the shape. Here is a&nbsp;face.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"352\" height=\"282\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-47.png\" alt=\"\" class=\"wp-image-21189\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-47.png 352w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-47-300x240.png 300w\" sizes=\"auto, (max-width: 352px) 100vw, 352px\" \/><\/figure><\/div>\n\n\n<p>Count&nbsp;the&nbsp;faces.<\/p>\n\n\n\n<p>Start&nbsp;with the two opposite&nbsp;faces.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"458\" height=\"375\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-48.png\" alt=\"\" class=\"wp-image-21190\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-48.png 458w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-48-300x246.png 300w\" sizes=\"auto, (max-width: 458px) 100vw, 458px\" \/><\/figure><\/div>\n\n\n<p>Next,&nbsp;go around the&nbsp;shape.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"882\" height=\"380\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-49.png\" alt=\"\" class=\"wp-image-21191\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-49.png 882w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-49-300x129.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2025\/04\/image-49-768x331.png 768w\" sizes=\"auto, (max-width: 882px) 100vw, 882px\" \/><\/figure>\n\n\n\n<p>The&nbsp;shape has&nbsp;6&nbsp;faces.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">let&#8217;s practice! \ud83d\udd8a\ufe0f<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/85928\/406\/486\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-45.png\" alt=\"\" class=\"wp-image-6646\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-45.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-45-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-45-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-45-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/85928\/400\/484\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-45.png\" alt=\"\" class=\"wp-image-6647\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-45.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-45-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-45-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-45-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Count vertices, edges, and faces Key Notes: \ud83d\udd37 What are 3D Shapes? \ud83d\udd39 Vertices (Corners) \ud83d\udc49 Easy tip: \u201cCorners = Vertices\u201d \ud83d\udd39 Edges (Lines) \ud83d\udc49 Easy tip: \u201cLines = Edges\u201d \ud83d\udd39 Faces (Flat Surfaces) \ud83d\udc49 Easy tip: \u201cFlat sides = Faces\u201d \ud83d\udd38 Examples of Shapes Shape Vertices Edges Faces Cube 8 12 6 Cuboid 8<a class=\"more-link\" href=\"https:\/\/2ndclass.deltapublications.in\/index.php\/o-7-count-vertices-edges-and-faces\/\">Continue reading <span class=\"screen-reader-text\">&#8220;O.7 Count vertices, edges and faces&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-288","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=288"}],"version-history":[{"count":17,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/288\/revisions"}],"predecessor-version":[{"id":23025,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/288\/revisions\/23025"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}