{"id":338,"date":"2022-04-11T05:52:24","date_gmt":"2022-04-11T05:52:24","guid":{"rendered":"http:\/\/2ndclass.deltapublications.in\/?page_id=338"},"modified":"2026-03-24T09:38:15","modified_gmt":"2026-03-24T09:38:15","slug":"s-8-addition-and-subtraction-word-problems-up-to-100","status":"publish","type":"page","link":"https:\/\/2ndclass.deltapublications.in\/index.php\/s-8-addition-and-subtraction-word-problems-up-to-100\/","title":{"rendered":"S.8 Addition and subtraction word problems &#8211; up to 100"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-huge-font-size\" style=\"color:#00056d;text-transform:uppercase\"><strong> Addition and subtraction word problems &#8211; up to 100<\/strong><\/h2>\n\n\n\n<p class=\"has-huge-font-size\"><strong>key notes :<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udd22 Understanding Word Problems<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Word problems are <strong>math stories<\/strong> using numbers.<\/li>\n\n\n\n<li>Read the problem <strong>carefully<\/strong> at least <strong>two times<\/strong>.<\/li>\n\n\n\n<li>Find out <strong>what is given<\/strong> and <strong>what is asked<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\u2795 When to Use Addition<\/h2>\n\n\n\n<p>Use addition when we:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Put together<\/strong><\/li>\n\n\n\n<li><strong>Add more<\/strong><\/li>\n\n\n\n<li><strong>Find total<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Look for clue words:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>altogether, in all, total, sum, together<\/em><\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example:<br>Ravi has 25 apples. He buys 30 more. How many apples now?<br>\u27a1\ufe0f 25 + 30 = 55<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\u2796 When to Use Subtraction<\/h2>\n\n\n\n<p>Use subtraction when we:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Take away<\/strong><\/li>\n\n\n\n<li><strong>Find how many left<\/strong><\/li>\n\n\n\n<li><strong>Compare<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Look for clue words:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>left, fewer, take away, minus, difference<\/em><\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 Example:<br>There are 80 candies. 35 are eaten. How many are left?<br>\u27a1\ufe0f 80 \u2212 35 = 45<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83e\udde0 Steps to Solve<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Read<\/strong> the question<\/li>\n\n\n\n<li><strong>Understand<\/strong> (What do we know?)<\/li>\n\n\n\n<li><strong>Choose operation<\/strong> (\u2795 or \u2796)<\/li>\n\n\n\n<li><strong>Solve<\/strong> the problem<\/li>\n\n\n\n<li><strong>Write the answer<\/strong> with units<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83d\udccf Numbers Up to 100<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>All numbers are <strong>less than or equal to 100<\/strong><\/li>\n\n\n\n<li>Practice <strong>adding and subtracting 2-digit numbers<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\u270f\ufe0f Important Tips<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Always <strong>write number sentences<\/strong><\/li>\n\n\n\n<li><strong>Check your answer<\/strong><\/li>\n\n\n\n<li>Use <strong>drawings or objects<\/strong> if needed<\/li>\n\n\n\n<li>Keep numbers <strong>neatly arranged<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">\ud83c\udfaf Practice Idea<\/h2>\n\n\n\n<p>Use daily life examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Toys, fruits, pencils, money \ud83d\udcb0<\/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-background has-large-font-size\" style=\"background-color:#a0cff8\"><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-constrained wp-block-group-is-layout-constrained\">\n<p>\ud83d\udca1 Ted had 44 letters. Then 2 more came in the post. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-fc71374cf1f4b20bafa9a3a3c068c1d0\" style=\"color:#b00012\"><strong>How many letters does Ted have now?<\/strong><\/p>\n\n\n\n<p class=\"has-primary-color has-text-color has-link-color wp-elements-8af2898bbf0896f7609758f382ea9e76\">____ letters<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Add the numbers of letters.<\/li>\n\n\n\n<li>Add: 44 + 2=<\/li>\n\n\n\n<li>You can count up to add. Start from 44 and count up 2:<\/li>\n\n\n\n<li>44, 45, 46<\/li>\n\n\n\n<li>44 + 2=46<\/li>\n\n\n\n<li>The sum is 46. Ted now has 46 letters.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#e8eea5\"><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-constrained wp-block-group-is-layout-constrained\">\n<p>\ud83d\udca1 Susan is building a cabinet. She needs 33 one-inch bolts and 12 one-and-a-half-inch bolts. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-08fcd0024178ab5ad199f0ee8e5e18e0\" style=\"color:#b00012\"><strong>How many bolts in all does Susan need?<\/strong><\/p>\n\n\n\n<p>___ bolts<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Add the number of bolts.<\/li>\n\n\n\n<li>Add: 33 + 12<\/li>\n\n\n\n<li>Add the ones. Add 3 + 2.<\/li>\n\n\n\n<li>3 3 + 1 2=5<\/li>\n\n\n\n<li>Add the tens. Add 3 + 1.<\/li>\n\n\n\n<li>3 3 + 1 2= 4 5<\/li>\n\n\n\n<li>The sum is 45. Susan needs 45 bolts in all.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-background has-large-font-size\" style=\"background-color:#95f6da\"><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-constrained wp-block-group-is-layout-constrained\">\n<p>\ud83d\udca1 A car dealer has a total of 97 cars. He has 56 new cars. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-1a05eebe5ae2f15dad6a9e5942638b27\" style=\"color:#b00012\"><strong>How many used cars does the dealer have?<\/strong><\/p>\n\n\n\n<p>____ used cars<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Subtract the number of new cars from the total number of cars.<\/li>\n\n\n\n<li>Subtract:<\/li>\n\n\n\n<li>97 \u2212 56<\/li>\n\n\n\n<li>Subtract the ones.<\/li>\n\n\n\n<li>9 7 \u2013 5 6=1<\/li>\n\n\n\n<li>Subtract the tens.<\/li>\n\n\n\n<li>9 7 \u2013 5 6= 4 1<\/li>\n\n\n\n<li>The difference is 41. The dealer has 41 used cars.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\">Let&#8217;s practice!\ud83d\udd8a\ufe0f <\/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\/86340\/946\/424\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-290.png\" alt=\"\" class=\"wp-image-7736\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-290.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-290-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-290-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-290-400x400.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\/86338\/615\/330\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-282.png\" alt=\"\" class=\"wp-image-7737\" srcset=\"https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-282.png 500w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-282-300x300.png 300w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-282-150x150.png 150w, https:\/\/2ndclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-282-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Addition and subtraction word problems &#8211; up to 100 key notes : \ud83d\udd22 Understanding Word Problems \u2795 When to Use Addition Use addition when we: Look for clue words: \ud83d\udc49 Example:Ravi has 25 apples. He buys 30 more. How many apples now?\u27a1\ufe0f 25 + 30 = 55 \u2796 When to Use Subtraction Use subtraction when<a class=\"more-link\" href=\"https:\/\/2ndclass.deltapublications.in\/index.php\/s-8-addition-and-subtraction-word-problems-up-to-100\/\">Continue reading <span class=\"screen-reader-text\">&#8220;S.8 Addition and subtraction word problems &#8211; up to 100&#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-338","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/338","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=338"}],"version-history":[{"count":13,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/338\/revisions"}],"predecessor-version":[{"id":22962,"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/338\/revisions\/22962"}],"wp:attachment":[{"href":"https:\/\/2ndclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}