{"id":85,"date":"2022-04-11T14:27:56","date_gmt":"2022-04-11T14:27:56","guid":{"rendered":"http:\/\/3rdclass.deltapublications.in\/?page_id=85"},"modified":"2025-11-06T06:21:14","modified_gmt":"2025-11-06T06:21:14","slug":"d-7-subtraction-fill-in-the-missing-digits","status":"publish","type":"page","link":"https:\/\/3rdclass.deltapublications.in\/index.php\/d-7-subtraction-fill-in-the-missing-digits\/","title":{"rendered":"D.7 Subtraction: fill in the missing digits"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Subtraction: fill in the missing digits<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-869a5c0b6b78055316c8d0186252dcbd\" style=\"color:#74008b\"><strong>key notes :<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udd0d <strong>Understand the Place Values<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Subtraction happens <strong>digit by digit<\/strong>.<\/li>\n\n\n\n<li>Start from the <strong>ones \u279c tens \u279c hundreds<\/strong> place.<\/li>\n\n\n\n<li>Example:<br><code>4 5 7<\/code><br><code>- 2 _ 4<\/code><br>The missing digit is in the <strong>tens place<\/strong>! \ud83d\udd22<\/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\udd14 <strong>Identify the Missing Digit<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Look at the subtraction problem and find <strong>which digit is missing<\/strong>.<\/li>\n\n\n\n<li>Use <strong>reverse operation (addition)<\/strong> to check. \u2795\ud83d\udd04\u2796<br>If <strong>A \u2013 B = C<\/strong>, then <strong>B + C = A<\/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\">\ud83d\udd01 <strong>Borrowing (Regrouping) May Be Needed<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If the top number is <strong>smaller<\/strong> than the bottom number, <strong>borrow 1<\/strong> from the next place value.<\/li>\n\n\n\n<li>Example:<br><code>6 _ 2<\/code><br><code>- 3 8 5<\/code><br>You may need to borrow from tens or hundreds! \ud83e\udde0\ud83d\udca1<\/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\uddee <strong>Fill One Digit at a Time<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solve <strong>step-by-step<\/strong>, beginning with the <strong>ones place<\/strong>.<\/li>\n\n\n\n<li>Don\u2019t jump to the missing digit too quickly \u2014 <strong>solve using logic<\/strong>! \ud83e\udde0<\/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\">\u2705 <strong>Check Your Answer<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use <strong>addition to verify<\/strong> if your missing digit is correct:<br>Subtraction Result + Subtrahend = Minuend<\/li>\n\n\n\n<li>Example:<br>If _ = 4, check if the problem becomes correct! \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\udd21 <strong>Use Trial and Error When Needed<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If you&#8217;re unsure, <strong>try digits from 0 to 9<\/strong>.<\/li>\n\n\n\n<li>Check which one makes the subtraction correct. \ud83c\udfaf<\/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\udea7 <strong>Common Mistakes to Avoid<\/strong><\/h3>\n\n\n\n<p>\u274c Forgetting to borrow when needed<br>\u274c Writing digits in the wrong place value<br>\u274c Not checking the final answer<\/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\">\ud83c\udf1f <strong>Quick Tip<\/strong><\/h3>\n\n\n\n<p><strong>Always write numbers neatly in columns<\/strong> (ones under ones, tens under tens) to avoid mistakes! \ud83d\udccd\u2728<\/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-background has-large-font-size\" style=\"background-color:#fbfb9e\"><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-b108b70870f4a4d750b6f7c3fb4fed52\" style=\"color:#b00012\"><strong>Type the missing digit:<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-huge-font-size\">88 &#8211; 55 = __3<\/p>\n<\/div><\/div>\n\n\n\n<p>Start on the right. Subtract the ones column. Look at the tens column. You want to find the result of 8 minus 5.&nbsp;8 \u2212 5 = 3. The missing number is 3.<\/p>\n\n\n\n<p class=\"has-text-align-center has-huge-font-size\">88 &#8211; 55 = <strong>3<\/strong>3<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#bbfac7\"><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-b108b70870f4a4d750b6f7c3fb4fed52\" style=\"color:#b00012\"><strong>Type the missing digit:<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-huge-font-size\">91 &#8211; 24 = __ 7<\/p>\n<\/div><\/div>\n\n\n\n<p>Start on the right. Subtract the ones column, remembering to carry over. Look at the tens column. You want to find the result of 8 minus 2.&nbsp;8 \u2212 2 = 6. The missing number is 6.<\/p>\n\n\n\n<p class=\"has-text-align-center has-huge-font-size\">91 &#8211; 24 = <strong>6<\/strong>7<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#fac3bb\"><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-b108b70870f4a4d750b6f7c3fb4fed52\" style=\"color:#b00012\"><strong>Type the missing digit:<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center has-huge-font-size\">83 &#8211; 6 __ = 14<\/p>\n<\/div><\/div>\n\n\n\n<p>Start on the right. Look at the ones column. You want to find a number that, when subtracted from 13, gives a difference of 4.&nbsp;13 \u2212 9 = 4. The missing number is 9. Remember to carry over the tens.<\/p>\n\n\n\n<p class=\"has-text-align-center has-huge-font-size\">83 &#8211; 6<strong>9<\/strong> = 14<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" 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\/77026\/500\/267\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-216.png\" alt=\"\" class=\"wp-image-8848\" srcset=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-216.png 500w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-216-300x300.png 300w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-216-150x150.png 150w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-2-216-400x400.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\/30123\/792\/377\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-223.png\" alt=\"\" class=\"wp-image-8849\" srcset=\"https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-223.png 500w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-223-300x300.png 300w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-223-150x150.png 150w, https:\/\/3rdclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-1-223-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Subtraction: fill in the missing digits key notes : \ud83d\udd0d Understand the Place Values \ud83e\udd14 Identify the Missing Digit \ud83d\udd01 Borrowing (Regrouping) May Be Needed \ud83e\uddee Fill One Digit at a Time \u2705 Check Your Answer \ud83d\udd21 Use Trial and Error When Needed \ud83d\udea7 Common Mistakes to Avoid \u274c Forgetting to borrow when needed\u274c Writing<a class=\"more-link\" href=\"https:\/\/3rdclass.deltapublications.in\/index.php\/d-7-subtraction-fill-in-the-missing-digits\/\">Continue reading <span class=\"screen-reader-text\">&#8220;D.7 Subtraction: fill in the missing digits&#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":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-85","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/85","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=85"}],"version-history":[{"count":24,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/85\/revisions"}],"predecessor-version":[{"id":20039,"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/85\/revisions\/20039"}],"wp:attachment":[{"href":"https:\/\/3rdclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=85"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}