{"id":392,"date":"2023-09-25T14:09:50","date_gmt":"2023-09-25T14:09:50","guid":{"rendered":"http:\/\/localhost\/ecole9ja\/?p=392"},"modified":"2023-09-25T14:13:59","modified_gmt":"2023-09-25T14:13:59","slug":"week-3-jss-1-second-term-mathematics-lesson-notes","status":"publish","type":"post","link":"https:\/\/ecolebooks.com\/nigeria\/posts\/week-3-jss-1-second-term-mathematics-lesson-notes\/","title":{"rendered":"Week 3 – Jss 1 Second Term Mathematics Lesson Notes"},"content":{"rendered":"

\u00a0
\n\u00a0WEEK 3:\u00a0\u00a0\u00a0\u00a0 ADDITION AND SUBTRACTION OF APPROXIMATIONS
\n<\/strong>Example 3.1:<\/strong> approximate the following to it accuracy of degree<\/p>\n

    \n
  1. 674 + 975 (3 s.f)\n<\/li>\n
  2. 805 + 912 (4s.f)\n<\/li>\n
  3. 3076 \u2013 621 (2 s.f)\n<\/li>\n
  4. 695.728 \u2013 97.979 (4 s.f)\n<\/li>\n<\/ol>\n

    Solutions:
    \n<\/strong><\/p>\n

      \n
    1. 674 + 975 = 1649 (165 to 3 s.f.) note that you must add the numbers before converting to the degree.\n<\/li>\n
    2. 805 + 912 = 1717 (1717 to 4s.f.)\n<\/li>\n
    3. 3076 \u2013 621 = 2455 (250 to 2 s.f.)\n<\/li>\n
    4. 695.728 \u2013 97.979 = 597.749 (597.7 to 4 s.f.)\n<\/li>\n<\/ol>\n

      EVALUATION: Convert the following to their accuracy degree
      \n<\/strong><\/p>\n

        \n
      1. 42.4739 to 5 s.f
        \n<\/strong><\/li>\n
      2. 67.3258 to 3s.f
        \n<\/strong><\/li>\n
      3. 879.9087 to 4 s.f
        \n<\/strong><\/li>\n
      4. 304.385 to 5 s.f
        \n<\/strong><\/li>\n<\/ol>\n

        \u00a0ASSIGNMENT:\u00a0\u00a0\u00a0\u00a0 ESSENTIAL MATHEMATICS BOOK 1
        \n<\/strong>EXERCISE 8.7 NO 1 (g,h,I,j,k,l and m) PAGE 93
        \n<\/strong>EXERCISE 8.8 NO 7,8 and 9 PAGE 95
        \n<\/strong>EXERCISE 8.5 NO 1(D,E,F), NO 4 (B &C) N0 5 (A TO G) PAGE 89
        \n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

        \u00a0 \u00a0WEEK 3:\u00a0\u00a0\u00a0\u00a0 ADDITION AND SUBTRACTION OF APPROXIMATIONS Example 3.1: approximate the following to it…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,66],"tags":[],"class_list":["post-392","post","type-post","status-publish","format-standard","hentry","category-posts","category-second-term-jss1-mathematics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/392","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=392"}],"version-history":[{"count":1,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/392\/revisions"}],"predecessor-version":[{"id":393,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/392\/revisions\/393"}],"wp:attachment":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/media?parent=392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/categories?post=392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/tags?post=392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}