{"version":"1.0","provider_name":"1st Grade Blog","provider_url":"https:\/\/www.thesummitprep.org\/1st","author_name":"1st Grade Blog","author_url":"https:\/\/www.thesummitprep.org\/1st","title":"Double Digit Addition and Subtraction - 1st Grade Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"1z0L4NyrLa\"><a href=\"https:\/\/www.thesummitprep.org\/1st\/2017\/01\/31\/double-digit-addition-and-subtraction-2\/\">Double Digit Addition and Subtraction<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.thesummitprep.org\/1st\/2017\/01\/31\/double-digit-addition-and-subtraction-2\/embed\/#?secret=1z0L4NyrLa\" width=\"600\" height=\"338\" title=\"&#8220;Double Digit Addition and Subtraction&#8221; &#8212; 1st Grade Blog\" data-secret=\"1z0L4NyrLa\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.thesummitprep.org\/1st\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Now that we have learned a wide variety of addition and subtraction strategies, students are ready to expand their computation skills. This week, first graders have begun working on double digit addition and subtraction without regrouping. \u00a0 Applying\u00a0our understanding of place value concepts, students are learning to start at the ones and then move to [&hellip;]","thumbnail_url":"https:\/\/s-media-cache-ak0.pinimg.com\/736x\/4b\/6e\/11\/4b6e11283d4642a76f14288bbcd8d34f.jpg"}