{"id":11049,"date":"2024-05-21T07:33:20","date_gmt":"2024-05-21T07:33:20","guid":{"rendered":"https:\/\/1stclass.deltapublications.in\/?page_id=11049"},"modified":"2025-11-20T05:33:39","modified_gmt":"2025-11-20T05:33:39","slug":"f-7-add-two-multiples-of-ten","status":"publish","type":"page","link":"https:\/\/1stclass.deltapublications.in\/index.php\/f-7-add-two-multiples-of-ten\/","title":{"rendered":"F.7 Add two multiples of ten"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-link-color wp-elements-e215cb299427c7952dd29c81b828507f\" style=\"color:#00056d;text-transform:uppercase\"><strong>Add two multiples of ten<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-87982a1885f28362b0345dcf26d18c66\" style=\"color:#74008b\"><strong>Key notes :<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udd1f\u2795\ud83d\udd1f <strong>Multiples of Ten<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Numbers like <strong>10, 20, 30, 40, 50, 60\u2026<\/strong> are called <strong>multiples of ten<\/strong>.<\/li>\n\n\n\n<li>They always end with a <strong>0<\/strong>. \ud83d\udfe0<\/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\">\u2795 <strong>Adding Multiples of Ten Is Easy!<\/strong><\/h3>\n\n\n\n<p>When we add numbers like <strong>20 + 30<\/strong>, we only add the <strong>tens<\/strong>.<\/p>\n\n\n\n<p>The <strong>zero stays zero<\/strong>! \ud83d\ude04<br>Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>20 + 30 = 50<\/li>\n\n\n\n<li>40 + 10 = 50<\/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 <strong>Add the Tens Digits<\/strong><\/h3>\n\n\n\n<p>Look at the first digit (tens place).<br>Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>30 (3 tens)<\/li>\n\n\n\n<li>40 (4 tens)<\/li>\n<\/ul>\n\n\n\n<p>Add the tens: <strong>3 + 4 = 7<\/strong><\/p>\n\n\n\n<p>So, <strong>30 + 40 = 70<\/strong> \ud83c\udf89<\/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\">\ud83e\uddee <strong>Use Counting by Tens<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Children can count: <strong>10, 20, 30, 40\u2026<\/strong><\/li>\n\n\n\n<li>Example: Start at 20 \u2192 count 3 steps by 10 \u2192 <strong>50<\/strong>! \ud83d\udc9a<\/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\udf1f <strong>Use Number Line<\/strong><\/h3>\n\n\n\n<p>Jump in tens:<br>Example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start at <strong>10<\/strong><\/li>\n\n\n\n<li>Jump <strong>+10<\/strong><\/li>\n\n\n\n<li>Jump <strong>+10<\/strong><\/li>\n\n\n\n<li>Land on <strong>30<\/strong> \u2714\ufe0f<\/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\">\ud83d\udca1 <strong>Real-Life Examples<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10 pencils + 20 pencils = 30 pencils \u270f\ufe0f<\/li>\n\n\n\n<li>20 balloons + 30 balloons = 50 balloons \ud83c\udf88<\/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\udd73 <strong>Big Idea<\/strong><\/h3>\n\n\n\n<p>\ud83d\udc49 <strong>Adding two multiples of ten is just adding the tens!<\/strong><br>\ud83d\udc49 It is simple, quick, and fun! \ud83d\ude0d<\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-link-color has-large-font-size wp-elements-3fefd20f8ce119a518e5f53333ab5486\" 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:#fadcdc\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-background-background-color has-text-color has-background has-link-color wp-elements-60c6db8f3218a7d34b0921e4a22b2956\" style=\"color:#b00012\">\ud83d\udcdc<strong>Add:10 + 50 =<\/strong><\/p>\n\n\n\n<p>Notice that both numbers have 1 zero at the end. When the number of zeros is the same, it is easy to add. First, arrange the numbers one above the other:<\/p>\n\n\n\n<p>10+50<\/p>\n\n\n\n<p>Next, add the zeros. Wherever there is a zero below another zero, place a zero at the bottom. This is because zero plus zero equals zero.<\/p>\n\n\n\n<p>10+50=0<\/p>\n\n\n\n<p>Now add the remaining digits. One plus five is six.<\/p>\n\n\n\n<p>10+50=60<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background\" style=\"background-color:#edfadc\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-background-background-color has-text-color has-background has-link-color has-large-font-size wp-elements-92423d345a0c1fd3cd594e22d30bdfbd\" style=\"color:#b00012\">\ud83d\udcdc<strong>Add:10 + 60 =<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">Notice that both numbers have 1 zero at the end. When the number of zeros is the same, it is easy to add. First, arrange the numbers one above the other:<\/p>\n\n\n\n<p class=\"has-large-font-size\">10+60<\/p>\n\n\n\n<p class=\"has-large-font-size\">Next, add the zeros. Wherever there is a zero below another zero, place a zero at the bottom. This is because zero plus zero equals zero.<\/p>\n\n\n\n<p class=\"has-large-font-size\">10+60=0<\/p>\n\n\n\n<p class=\"has-large-font-size\">Now add the remaining digits. One plus six is seven.<\/p>\n\n\n\n<p class=\"has-large-font-size\">10+60=70<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background\" style=\"background-color:#dcecfa\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-background-background-color has-text-color has-background has-link-color has-large-font-size wp-elements-b534b4b51f67398d8516a8631e8bff4d\" style=\"color:#b00012\">\ud83d\udcdc<strong>Add:80 + 10 =<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">Notice that both numbers have 1 zero at the end. When the number of zeros is the same, it is easy to add. First, arrange the numbers one above the other:<\/p>\n\n\n\n<p class=\"has-large-font-size\">80+10<\/p>\n\n\n\n<p class=\"has-large-font-size\">Next, add the zeros. Wherever there is a zero below another zero, place a zero at the bottom. This is because zero plus zero equals zero.<\/p>\n\n\n\n<p class=\"has-large-font-size\">80+10=0<\/p>\n\n\n\n<p class=\"has-large-font-size\">Now add the remaining digits. Eight plus one is nine.<\/p>\n\n\n\n<p class=\"has-large-font-size\">80+10=90<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-de9e97447719430221d5ffbb0cb6d2aa\" style=\"color:#d90000\">Let&#8217;s practice!<\/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\"><a href=\"https:\/\/wordwall.net\/play\/80171\/536\/466\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-36.png\" alt=\"\" class=\"wp-image-11783\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-36.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-36-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-36-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-2-214-36-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/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\/29911\/999\/564\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-36.png\" alt=\"\" class=\"wp-image-11784\" srcset=\"https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-36.png 500w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-36-300x300.png 300w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-36-150x150.png 150w, https:\/\/1stclass.deltapublications.in\/wp-content\/uploads\/2024\/06\/Worksheet-1-1-1-217-36-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Add two multiples of ten Key notes : \ud83d\udd1f\u2795\ud83d\udd1f Multiples of Ten \u2795 Adding Multiples of Ten Is Easy! When we add numbers like 20 + 30, we only add the tens. The zero stays zero! \ud83d\ude04Example: \ud83c\udfaf Add the Tens Digits Look at the first digit (tens place).Example: Add the tens: 3 + 4<a class=\"more-link\" href=\"https:\/\/1stclass.deltapublications.in\/index.php\/f-7-add-two-multiples-of-ten\/\">Continue reading <span class=\"screen-reader-text\">&#8220;F.7 Add two multiples of ten&#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":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-11049","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=11049"}],"version-history":[{"count":12,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11049\/revisions"}],"predecessor-version":[{"id":19962,"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/11049\/revisions\/19962"}],"wp:attachment":[{"href":"https:\/\/1stclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=11049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}