{"id":241,"date":"2022-04-11T05:24:05","date_gmt":"2022-04-11T05:24:05","guid":{"rendered":"http:\/\/2ndclass.deltapublications.in\/?page_id=241"},"modified":"2026-03-26T10:18:14","modified_gmt":"2026-03-26T10:18:14","slug":"l-11-least-number-of-coins","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/l-11-least-number-of-coins\/","title":{"rendered":"L.11 Least number of coins"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong> Least number of coins<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-21147ace30345767f0a3e24bbf22b3aa\" style=\"color:#a61818\"><strong>key points :<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udf1f Key Points<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Least number of coins<\/strong> means using <strong>the smallest number of coins<\/strong> to make a certain amount.<\/li>\n\n\n\n<li>Always try to use <strong>bigger value coins first<\/strong><br>\ud83d\udc49 Example: \u20b910, \u20b95, \u20b92, \u20b91<\/li>\n\n\n\n<li>This helps to <strong>reduce the total number of coins<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83e\ude99 Step-by-Step Method<\/h3>\n\n\n\n<p><strong>Look at the amount<\/strong> (Example: \u20b912)<\/p>\n\n\n\n<p><strong>Choose the biggest coin possible<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u20b910 coin \u2192 Remaining \u20b92<\/li>\n<\/ul>\n\n\n\n<p><strong>Use smaller coins for the remaining amount<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u20b92 coin<\/li>\n<\/ul>\n\n\n\n<p><strong>Count total coins used<\/strong><\/p>\n\n\n\n<p>\ud83d\udc49 \u20b912 = \u20b910 + \u20b92 \u2192 <strong>2 coins (least number)<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udccc Examples<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u20b97 = \u20b95 + \u20b92 \u2192 <strong>2 coins<\/strong><\/li>\n\n\n\n<li>\u20b99 = \u20b95 + \u20b92 + \u20b92 \u2192 <strong>3 coins<\/strong><\/li>\n\n\n\n<li>\u20b96 = \u20b95 + \u20b91 \u2192 <strong>2 coins<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\u26a0\ufe0f Important Tips<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Do <strong>not use many small coins<\/strong> if a bigger coin is available<br>\u274c \u20b95 = \u20b91 + \u20b91 + \u20b91 + \u20b91 + \u20b91 (5 coins)<br>\u2714\ufe0f \u20b95 = \u20b95 (1 coin)<\/li>\n\n\n\n<li>Always <strong>check if a bigger coin can replace smaller coins<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udfaf Learning Outcomes<\/h3>\n\n\n\n<p>Students will be able to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Understand coin values<\/li>\n\n\n\n<li>Make amounts using fewer coins<\/li>\n\n\n\n<li>Improve basic money calculation skills<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-large-font-size\" style=\"color:#105000\"><strong>Learn with an example<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-background\" style=\"background-color:#deedf7\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-color has-link-color wp-elements-cf348b9bdab787403959a1b41aaaf493\" style=\"color:#b00012\">\ud83d\udcd8 <strong>How do you make 5&nbsp;rupees and 50&nbsp;paise using the fewest coins?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"972\" height=\"143\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-14.png\" alt=\"\" class=\"wp-image-4491\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-14.png 972w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-14-300x44.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-14-768x113.png 768w\" sizes=\"auto, (max-width: 972px) 100vw, 972px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with 5-rupee coins and count by \u20b95.00. When you&#8217;ve gone past \u20b95.50, you&#8217;ve gone too far. 1 5-rupee coin makes \u20b95.00. 2 5-rupee coins make \u20b910.00\u2014too much. You can have 1 5-rupee coin. 1 5-rupee coin is worth \u20b95.00.<\/li>\n\n\n\n<li>Now count up by \u20b92.00 from \u20b95.00 to find out how many 2-rupee coins you can have. 1 2-rupee coin makes \u20b97.00\u2014too much. You can have 0 2-rupee coins. So far, you have 1 5-rupee coin and 0 2-rupee coins, which are worth \u20b95.00.<\/li>\n\n\n\n<li>Now count up by \u20b91.00 from \u20b95.00 to find out how many 1-rupee coins you can have. 1 1-rupee coin makes \u20b96.00\u2014too much. You can have 0 1-rupee coins. So far, you have 1 5-rupee coin, 0 2-rupee coins, and 0 1-rupee coins, which are worth \u20b95.00.<\/li>\n\n\n\n<li>Finally, count up by 50p from \u20b95.00 to find out how many 50-paise coins you can have. 1 50-paise coin makes \u20b95.50. That&#8217;s the total you want.<\/li>\n\n\n\n<li>To make 5&nbsp;rupees and 50&nbsp;paise with the fewest coins, you&#8217;ll use 1 5-rupee coin, 0 2-rupee coins, 0 1-rupee coins, and 1 50-paise coin.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background\" style=\"background-color:#fce6e6\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-color has-link-color wp-elements-6143efd6e13dc615f1f89d4c60a26ab2\" style=\"color:#b00012\">\ud83d\udcd8<strong> How do you make 8&nbsp;rupees and 50&nbsp;paise using the fewest coins?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"166\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-15.png\" alt=\"\" class=\"wp-image-4492\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-15.png 1000w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-15-300x50.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-15-768x127.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with 5-rupee coins and count by \u20b95.00. When you&#8217;ve gone past \u20b98.50, you&#8217;ve gone too far. 1 5-rupee coin makes \u20b95.00. 2 5-rupee coins make \u20b910.00\u2014too much. You can have 1 5-rupee coin. 1 5-rupee coin is worth \u20b95.00.<\/li>\n\n\n\n<li>Now count up by \u20b92.00 from \u20b95.00 to find out how many 2-rupee coins you can have. 1 2-rupee coin makes \u20b97.00. 2 2-rupee coins make \u20b99.00\u2014too much. You can have 1 2-rupee coin. So far, you have 1 5-rupee coin and 1 2-rupee coin, which are worth \u20b97.00.<\/li>\n\n\n\n<li>Now count up by \u20b91.00 from \u20b97.00 to find out how many 1-rupee coins you can have. 1 1-rupee coin makes \u20b98.00. 2 1-rupee coins make \u20b99.00\u2014too much. You can have 1 1-rupee coin. So far, you have 1 5-rupee coin, 1 2-rupee coin, and 1 1-rupee coin, which are worth \u20b98.00.<\/li>\n\n\n\n<li>Finally, count up by 50p from \u20b98.00 to find out how many 50-paise coins you can have. 1 50-paise coin makes \u20b98.50. That&#8217;s the total you want.<\/li>\n\n\n\n<li>To make 8&nbsp;rupees and 50&nbsp;paise with the fewest coins, you&#8217;ll use 1 5-rupee coin, 1 2-rupee coin, 1 1-rupee coin, and 1 50-paise coin.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background\" style=\"background-color:#cff6e2\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-background-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"has-text-color has-link-color wp-elements-1f011a6bdef3ce3ed597499f9ac6f815\" style=\"color:#b00012\">\ud83d\udcd8 <strong>How do you make 3&nbsp;rupees and 50&nbsp;paise using the fewest coins?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"163\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-16.png\" alt=\"\" class=\"wp-image-4493\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-16.png 1000w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-16-300x49.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/01\/Untitled-design-16-768x125.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with 5-rupee coins and count by \u20b95.00. When you&#8217;ve gone past \u20b93.50, you&#8217;ve gone too far. 1 5-rupee coin makes \u20b95.00\u2014too much. You can have 0 5-rupee coins. 0 5-rupee coins are worth 0p.<\/li>\n\n\n\n<li>Now count up by \u20b92.00 from 0p to find out how many 2-rupee coins you can have. 1 2-rupee coin makes \u20b92.00. 2 2-rupee coins make \u20b94.00\u2014too much. You can have 1 2-rupee coin. So far, you have 0 5-rupee coins and 1 2-rupee coin, which are worth \u20b92.00.<\/li>\n\n\n\n<li>Now count up by \u20b91.00 from \u20b92.00 to find out how many 1-rupee coins you can have. 1 1-rupee coin makes \u20b93.00. 2 1-rupee coins make \u20b94.00\u2014too much. You can have 1 1-rupee coin. So far, you have 0 5-rupee coins, 1 2-rupee coin, and 1 1-rupee coin, which are worth \u20b93.00.<\/li>\n\n\n\n<li>Finally, count up by 50p from \u20b93.00 to find out how many 50-paise coins you can have. 1 50-paise coin makes \u20b93.50. That&#8217;s the total you want.<\/li>\n\n\n\n<li>To make 3&nbsp;rupees and 50&nbsp;paise with the fewest coins, you&#8217;ll use 0 5-rupee coins, 1 2-rupee coin, 1 1-rupee coin, and 1 50-paise coin.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-4eb6f8dcdd9dcebf504294d481c38767\" style=\"color:#d90000\">Let&#8217;s practice!\ud83d\udd8a\ufe0f <\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-31.png\" alt=\"\" class=\"wp-image-6595\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-31.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-31-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-31-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-31-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/35592\/193\/346\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-31.png\" alt=\"\" class=\"wp-image-6597\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-31.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-31-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-31-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-31-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Least number of coins key points : \ud83c\udf1f Key Points \ud83e\ude99 Step-by-Step Method Look at the amount (Example: \u20b912) Choose the biggest coin possible Use smaller coins for the remaining amount Count total coins used \ud83d\udc49 \u20b912 = \u20b910 + \u20b92 \u2192 2 coins (least number) \ud83d\udccc Examples \u26a0\ufe0f Important Tips \ud83c\udfaf Learning Outcomes Students<a class=\"more-link\" href=\"https:\/\/2ndclass.deltapublications.in\/index.php\/l-11-least-number-of-coins\/\">Continue reading <span class=\"screen-reader-text\">&#8220;L.11 Least number of coins&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-241","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=241"}],"version-history":[{"count":7,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/241\/revisions"}],"predecessor-version":[{"id":23066,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/241\/revisions\/23066"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}