{"id":74194,"date":"2020-06-18T12:20:13","date_gmt":"2020-06-18T16:20:13","guid":{"rendered":"http:\/\/schools.wrdsb.ca\/athome\/?page_id=74194"},"modified":"2020-06-18T12:20:13","modified_gmt":"2020-06-18T16:20:13","slug":"the-number-balance","status":"publish","type":"page","link":"https:\/\/schools.wrdsb.ca\/athome\/learn\/elementary-home\/elementary-2\/math\/math-grades-1-3\/whats-new\/the-number-balance\/","title":{"rendered":"The Number Balance"},"content":{"rendered":"<h5>Problem<\/h5>\n<h3>Materials:<\/h3>\n<ul>\n<li>paper<\/li>\n<li>pencil<\/li>\n<\/ul>\n<p>This is a number balance.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-74195\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal1-300x116.png\" alt=\"A balance with an arm that is balanced labelled with numbers going from 10 on the left hand side to 1 in the middle then 1 from the middle to 10 on the right hand side. There is a peg under each number.\" width=\"300\" height=\"116\" srcset=\"https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal1-300x116.png 300w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal1-165x64.png 165w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal1.png 370w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>It has weights.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-74196\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal2.png\" alt=\"3 blue weights with holes in them at the top.\" width=\"40\" height=\"34\" \/><\/p>\n<p>The weights are hung on pegs under the numbers and it balances when both sides are equal like this:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-74197\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal3-300x116.png\" alt=\"A balance with an arm that is balanced with one blue weight hanging under the number 10 on the left side, one blue weight hanging under the 2 on the right side and one blue weight hanging under the 8 on the right side. Under the balance is the equation 10 = 2 + 8.\" width=\"300\" height=\"116\" srcset=\"https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal3-300x116.png 300w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal3-165x64.png 165w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal3.png 378w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>We can represent this number balance with an equation:<\/p>\n<h2>10 = 2 + 8<\/h2>\n<p>Where would you put the weight to make this one balance? Write an equation that represents this number balance.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-74199\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal4-300x161.png\" alt=\"A balance with an arm that is lower on the left side with one blue weight hanging under the number 9 on the left side, one blue weight hanging under the 3 on the right side, one blue weight hanging under the 4 on the right side and one blue weight to the side of the balance.\" width=\"300\" height=\"161\" srcset=\"https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal4-300x161.png 300w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal4-165x89.png 165w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal4.png 329w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Where would you put the weight to make this one balance? Write an equation that represents this number balance.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-74200\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal5-300x182.png\" alt=\"A balance with an arm  that is lower on the right side with one blue weight hanging under the number 6 on the left side, one blue weight hanging under the 4 on the right side,  one blue weight hanging under the 9 on the right side and one blue weight leaning against the bottom of the balance.\" width=\"300\" height=\"182\" srcset=\"https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal5-300x182.png 300w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal5-165x100.png 165w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal5.png 336w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>What if you had to use two more weights to make this one balance, where could you put them? Write an equation that represents this balance.<\/p>\n<p>Is there more than one way? How many can you find?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-74201\" src=\"http:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal6-300x124.png\" alt=\"A balance with an arm that is slightly lower on the left side with one blue weight hanging under the number 9 on the left side, one blue weight hanging under the 6 on the left side, one blue weight hanging under the 4 on the right side, one blue weight hanging under the 10 on the right side and two blue weights leaning against the bottom of the balance.\" width=\"300\" height=\"124\" srcset=\"https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal6-300x124.png 300w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal6-165x68.png 165w, https:\/\/schools.wrdsb.ca\/athome\/files\/2020\/06\/NumberBal6.png 352w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Adapted from <a href=\"https:\/\/nrich.maths.org\/4725\" target=\"_blank\" rel=\"noopener\">nrich.maths.org<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Can you balance the numbers? <\/p>\n","protected":false},"author":15985,"featured_media":0,"parent":72818,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-74194","page","type-page","status-publish","hentry","category-elementary"],"_links":{"self":[{"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/pages\/74194","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=74194"}],"version-history":[{"count":0,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/pages\/74194\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/pages\/72818"}],"wp:attachment":[{"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/media?parent=74194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/categories?post=74194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/schools.wrdsb.ca\/athome\/wp-json\/wp\/v2\/tags?post=74194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}