{"id":495,"date":"2021-10-06T13:26:59","date_gmt":"2021-10-06T20:26:59","guid":{"rendered":"http:\/\/sd41blogs.ca\/cheungp\/?p=495"},"modified":"2021-10-06T13:26:59","modified_gmt":"2021-10-06T20:26:59","slug":"10-06-21-math-estimating-sums","status":"publish","type":"post","link":"https:\/\/sd41blogs.ca\/cheungp\/2021\/10\/06\/10-06-21-math-estimating-sums\/","title":{"rendered":"10\/06\/21 &#8211; Math &#8211; Estimating Sums"},"content":{"rendered":"<p>When estimating sums,\u00a0<strong>you choose<\/strong> which benchmark to round to. This means you decide whether to round to the nearest tens, hundreds, or thousands. The point of this is to get an\u00a0<span style=\"text-decoration: underline;\">approximate answer<\/span>.<\/p>\n<p>Here are two strategies.<\/p>\n<p><strong>Compatible numbers<\/strong> means rounding, using your judgement to the nearest tens, hundreds, or thousands.<\/p>\n<p><strong>Compensation<\/strong> means rounding down, then up, then down, regardless of whether the numbers are round up numbers or round down ones.<\/p>\n<p>In class, I recommended you to stick with using compatible numbers (what you already know about rounding)<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-497\" src=\"http:\/\/sd41blogs.ca\/cheungp\/files\/2021\/10\/m1.png\" alt=\"\" width=\"1024\" height=\"440\" srcset=\"https:\/\/sd41blogs.ca\/cheungp\/files\/2021\/10\/m1.png 1024w, https:\/\/sd41blogs.ca\/cheungp\/files\/2021\/10\/m1-300x129.png 300w, https:\/\/sd41blogs.ca\/cheungp\/files\/2021\/10\/m1-768x330.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><img loading=\"lazy\" class=\"alignnone size-full wp-image-496\" src=\"http:\/\/sd41blogs.ca\/cheungp\/files\/2021\/10\/m2.png\" alt=\"\" width=\"379\" height=\"448\" srcset=\"https:\/\/sd41blogs.ca\/cheungp\/files\/2021\/10\/m2.png 379w, https:\/\/sd41blogs.ca\/cheungp\/files\/2021\/10\/m2-254x300.png 254w\" sizes=\"(max-width: 379px) 100vw, 379px\" \/><\/p>\n<p>Try it out! Try the examples in the pictures and then make some of your own questions up.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When estimating sums,\u00a0you choose which benchmark to round to. This means you decide whether to round to the nearest tens, hundreds, or thousands. The point of this is to get an\u00a0approximate answer. Here are two strategies. Compatible numbers means rounding, using your judgement to the nearest tens, hundreds, or thousands. Compensation means rounding down, then up, then down, regardless of<\/p>\n","protected":false},"author":9800,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,7],"tags":[],"_links":{"self":[{"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/posts\/495"}],"collection":[{"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/users\/9800"}],"replies":[{"embeddable":true,"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/comments?post=495"}],"version-history":[{"count":1,"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/posts\/495\/revisions"}],"predecessor-version":[{"id":498,"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/posts\/495\/revisions\/498"}],"wp:attachment":[{"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/media?parent=495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/categories?post=495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sd41blogs.ca\/cheungp\/wp-json\/wp\/v2\/tags?post=495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}