{"id":868,"date":"2023-09-27T08:16:40","date_gmt":"2023-09-27T08:16:40","guid":{"rendered":"http:\/\/localhost\/ecole9ja\/?p=868"},"modified":"2023-09-27T08:19:17","modified_gmt":"2023-09-27T08:19:17","slug":"week-6-jss-2-first-term-mathematics-lesson-notes","status":"publish","type":"post","link":"https:\/\/ecolebooks.com\/nigeria\/posts\/week-6-jss-2-first-term-mathematics-lesson-notes\/","title":{"rendered":"Week 6 &#8211; Jss 2 First Term Mathematics Lesson Notes"},"content":{"rendered":"<p><strong>WEEK 6\u00a0\u00a0\u00a0\u00a0APPROXIMATION AND ESTIMATION (SIGNIFCANT AND DECIMAL PLACES)<br \/>\n<\/strong><br \/>\n\u00a0<strong><em>SIGNIFICANT: TO ROUNDOFF A NUMBER CHANGE 0,1,2,3,4 TO 0 WHILE 5,6,7,8,9 TO 1 AND ADD IT TO THE NEXT NUMBER<br \/>\n<\/em><\/strong>Example 1: round off 492.763 to (a) 3 s.f (b) 3 s.f (c) 2 d.p (d) 4 d.p<br \/>\nSolution:<br \/>\n(a). 492.763 = 49 (since the third number is 2 it has change to zero)<br \/>\n(b). 492.763 = 493 (the 2 as change to 3 because 7 as change to 1 and been added to 2 to become 3)<br \/>\n(c).492.763 = 492.76 (in decimal point we count after the point).<br \/>\n(d). 492.763 = 492.7630(since the number is not upto 4d.p we add zero to it.)<br \/>\nExample 2: calculate the following and round your answer to the given degree of a accuracy<br \/>\n(a). 576.175 + 20.82 (2 d.p)<br \/>\n(b). 8.52 x 0.0651 (3 s.f)<br \/>\nSolution:<br \/>\n(a). 576.173 + 20.82 = 596.99<br \/>\n596.99 = 596.99 (2 d.p)<br \/>\n(b). 8.52 * 0.0651 = 0.554652<br \/>\n0.554652 = 0.555(3s.f)<\/p>\n<p>\u00a0<strong>ASSESEMENT:<\/strong><br \/>\n\t\t\t<strong>ESSENTIAL MATHEMATICS BOOK FOR JSS 2<br \/>\n<\/strong><strong>EXERCISE 7.1 NO 9 (A \u2013 K). PAGE 85<br \/>\n<\/strong><strong>EXERCISE 7.3 NO 1 (A&#8211; R). PAGE 86<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>WEEK 6\u00a0\u00a0\u00a0\u00a0APPROXIMATION AND ESTIMATION (SIGNIFCANT AND DECIMAL PLACES) \u00a0SIGNIFICANT: TO ROUNDOFF A NUMBER CHANGE 0,1,2,3,4&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,95],"tags":[],"class_list":["post-868","post","type-post","status-publish","format-standard","hentry","category-posts","category-first-term-jss-2-mathematics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/868","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/comments?post=868"}],"version-history":[{"count":1,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/868\/revisions"}],"predecessor-version":[{"id":869,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/868\/revisions\/869"}],"wp:attachment":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/media?parent=868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/categories?post=868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/tags?post=868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}