{"id":154,"date":"2022-04-12T05:01:04","date_gmt":"2022-04-12T05:01:04","guid":{"rendered":"http:\/\/4thclass.deltapublications.in\/?page_id=154"},"modified":"2025-11-21T03:37:42","modified_gmt":"2025-11-21T03:37:42","slug":"f-6-solve-word-problems-using-guess-and-check","status":"publish","type":"page","link":"https:\/\/4thclass.deltapublications.in\/index.php\/f-6-solve-word-problems-using-guess-and-check\/","title":{"rendered":"F.6 Solve word problems using guess-and-check"},"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> Solve word problems using guess-and-check<\/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\udd0d <strong>What is Guess-and-Check?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A strategy where you <strong>make a guess<\/strong>, check if it works, and then <strong>adjust your guess<\/strong> until you find the correct answer.<\/li>\n\n\n\n<li>Useful when the problem does not have a direct formula.<\/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\udde0 <strong>Steps to Use Guess-and-Check<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading has-large-font-size\">\ud83d\udc49 <strong>Step 1: Understand the problem<\/strong><\/h4>\n\n\n\n<p>Read the question carefully. Identify what you know and what you need to find.<br>\ud83d\udcd8 Example: \u201cA basket has some apples. If we put 4 apples in each bag, we can make 6 bags. How many apples are there?\u201d<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-large-font-size\">\ud83d\udc49 <strong>Step 2: Make a reasonable guess \ud83e\udde9<\/strong><\/h4>\n\n\n\n<p>Think of a number that might work.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Your guess must be related to the problem.<\/li>\n\n\n\n<li>It should make sense (not too large or too small).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-large-font-size\">\ud83d\udc49 <strong>Step 3: Check your guess \u2714\ufe0f<\/strong><\/h4>\n\n\n\n<p>Use your guess in the problem and see if it fits.<br>Example: Guess 20 apples \u2192 20 \u00f7 4 = 5 bags (Not correct)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-large-font-size\">\ud83d\udc49 <strong>Step 4: Adjust your guess \ud83d\udd04<\/strong><\/h4>\n\n\n\n<p>If your guess is too small, try a bigger number.<br>If it is too big, try a smaller number.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading has-large-font-size\">\ud83d\udc49 <strong>Step 5: Continue until you find the correct answer \ud83c\udfaf<\/strong><\/h4>\n\n\n\n<p>Keep trying and checking until your answer matches the conditions in the problem.<\/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\">\ud83d\udcdd <strong>Why Guess-and-Check Helps?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Encourages <strong>critical thinking<\/strong> \ud83e\udd14<\/li>\n\n\n\n<li>Helps you learn through <strong>trial and error<\/strong><\/li>\n\n\n\n<li>Makes you understand the problem better<\/li>\n\n\n\n<li>Builds confidence when solving tricky word problems \ud83d\udcaa<\/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\udf92 <strong>Common Examples for Practice<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83c\udf6c <strong>Example 1:<\/strong><\/h3>\n\n\n\n<p>Raju has some candies. He gives 7 candies to each of his 5 friends. How many candies did he have?<br>Try guesses like 35, 30, 40\u2026 until it fits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-large-font-size\">\ud83d\udc36 <strong>Example 2:<\/strong><\/h3>\n\n\n\n<p>A pet store has cages with 3 puppies in each. There are 18 puppies. How many cages are there?<br>Guess number of cages \u2192 multiply by 3 \u2192 check.<\/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\udd29 <strong>Tips for Students<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Always start with an <strong>easy guess<\/strong>.<\/li>\n\n\n\n<li>Write guesses in a table for clear thinking.<\/li>\n\n\n\n<li>Don\u2019t be afraid to be wrong \u2014 guessing is part of learning!<\/li>\n\n\n\n<li>Check your answer twice to be sure. \u2714\ufe0f\u2714\ufe0f<\/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-primary-color has-text-color has-background has-link-color has-large-font-size wp-elements-a586ed0efadbb4243f699a0874c8e21d\" style=\"background-color:#e1daf1\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-link-color wp-elements-b43894a3016c15a71b5ff68a6c718089\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u2708\ufe0f Carla bought a box with both chocolate and maple doughnuts. There were 2 fewer maple doughnuts than chocolate doughnuts, and there were 12 doughnuts in all.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-26123d325f8e87c741a752dcfd258ac1\" style=\"color:#b00012\"> <strong>How many chocolate doughnuts did Carla buy?<\/strong> <\/p>\n\n\n\n<p>________chocolate doughnuts<\/p>\n<\/div><\/div>\n\n\n\n<p>solution:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You need to find two numbers whose sum is 12 and whose difference is 2.<\/li>\n\n\n\n<li>You need to find two numbers whose sum is 12 and whose difference is 2.<\/li>\n\n\n\n<li>Think of pairs of numbers whose difference is 2. Then find the sum of each pair.<\/li>\n<\/ul>\n\n\n\n<figure id=\"yui_3_18_1_1_1671528228961_317\" class=\"wp-block-table\"><table><tbody><tr><td>Difference<\/td><td>Sum<\/td><\/tr><tr><td>3 \u2212 1 = 2<\/td><td>3 + 1 = 4<\/td><\/tr><tr><td>4 \u2212 2 = 2<\/td><td>4 + 2 = 6<\/td><\/tr><tr><td>5 \u2212 3 = 2<\/td><td>5 + 3 = 8<\/td><\/tr><tr><td>6 \u2212 4 = 2<\/td><td>6 + 4 = 10<\/td><\/tr><tr><td><strong>7 \u2212 5 = 2<\/strong><\/td><td><strong>7 + 5 = 12<\/strong><\/td><\/tr><tr><td>8 \u2212 6 = 2<\/td><td>8 + 6 = 14<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The numbers are 7 and 5. Carla bought 7 chocolate doughnuts and 5 maple doughnuts. <\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-text-color has-background has-link-color has-large-font-size wp-elements-59876a1c43df460a26e106459b8ab009\" style=\"background-color:#fae8e0\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-link-color wp-elements-b14d69123a907401760c577ce76d3bd3\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u2708\ufe0f Amy bought a box with both chocolate and maple doughnuts. There were 7 fewer maple doughnuts than chocolate doughnuts, and there were 11 doughnuts in all.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-5bceb9e83c4fd3479f123d1656984832\" style=\"color:#b00012\"> <strong>How many chocolate doughnuts did Amy buy? <\/strong><\/p>\n\n\n\n<p>______chocolate doughnuts<\/p>\n<\/div><\/div>\n\n\n\n<p>solution:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You need to find two numbers whose sum is 11 and whose difference is 7.<\/li>\n\n\n\n<li>Think of pairs of numbers whose difference is 7. Then find the sum of each pair.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Difference<\/td><td>Sum<\/td><\/tr><tr><td>8 \u2212 1 = 7<\/td><td>8 + 1 = 9<\/td><\/tr><tr><td><strong>9 \u2212 2 = 7<\/strong><\/td><td><strong>9 + 2 = 11<\/strong><\/td><\/tr><tr><td>10 \u2212 3 = 7<\/td><td>10 + 3 = 13<\/td><\/tr><tr><td>11 \u2212 4 = 7<\/td><td>11 + 4 = 15<\/td><\/tr><tr><td>12 \u2212 5 = 7<\/td><td>12 + 5 = 17<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The numbers are 9 and 2. Amy bought 9 chocolate doughnuts and 2 maple doughnuts.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-primary-color has-text-color has-background has-link-color has-large-font-size wp-elements-21775f2d8ff705b7fb6c5337e6f0f423\" style=\"background-color:#f8dee7\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group has-primary-color has-background-background-color has-text-color has-background has-link-color wp-elements-3e3c8fe79b91bc7dd5ae20530df1ff6e\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u2708\ufe0f The canteen sold 3 fewer bowls of chicken soup than bowls of tomato soup. They sold 17 bowls of soup in all. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-2a00998509dc698c93abdc70a5148a21\" style=\"color:#b00012\"><strong>How many bowls of chicken soup did the canteen sell?<\/strong><\/p>\n\n\n\n<p> __________bowls of chicken soup<\/p>\n<\/div><\/div>\n\n\n\n<p>solution: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You need to find two numbers whose sum is 17 and whose difference is 3.<\/li>\n\n\n\n<li>Think of pairs of numbers whose difference is 3. Then find the sum of each pair.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Difference<\/td><td>Sum<\/td><\/tr><tr><td>5 \u2212 2 = 3<\/td><td>5 + 2 = 7<\/td><\/tr><tr><td>6 \u2212 3 = 3<\/td><td>6 + 3 = 9<\/td><\/tr><tr><td>7 \u2212 4 = 3<\/td><td>7 + 4 = 11<\/td><\/tr><tr><td>8 \u2212 5 = 3<\/td><td>8 + 5 = 13<\/td><\/tr><tr><td>9 \u2212 6 = 3<\/td><td>9 + 6 = 15<\/td><\/tr><tr><td><strong>10 \u2212 7 = 3<\/strong><\/td><td><strong>10 + 7 = 17<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The numbers are 10 and 7. The canteen sold 10 bowls of tomato soup and 7 bowls of chicken soup.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!\ud83d\udd8a\ufe0f <\/strong><\/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\/80169\/400\/332\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-242.png\" alt=\"\" class=\"wp-image-7040\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-242.png 500w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-242-300x300.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-3-242-150x150.png 150w\" 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\/30427\/953\/203\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-238.png\" alt=\"\" class=\"wp-image-7041\" srcset=\"https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-238.png 500w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-238-300x300.png 300w, https:\/\/4thclass.deltapublications.in\/wp-content\/uploads\/2023\/04\/Worksheet-1-1-2-238-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Solve word problems using guess-and-check Key notes : \ud83d\udd0d What is Guess-and-Check? \ud83e\udde0 Steps to Use Guess-and-Check \ud83d\udc49 Step 1: Understand the problem Read the question carefully. Identify what you know and what you need to find.\ud83d\udcd8 Example: \u201cA basket has some apples. If we put 4 apples in each bag, we can make 6<a class=\"more-link\" href=\"https:\/\/4thclass.deltapublications.in\/index.php\/f-6-solve-word-problems-using-guess-and-check\/\">Continue reading <span class=\"screen-reader-text\">&#8220;F.6 Solve word problems using guess-and-check&#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,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-154","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=154"}],"version-history":[{"count":15,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/154\/revisions"}],"predecessor-version":[{"id":16790,"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/154\/revisions\/16790"}],"wp:attachment":[{"href":"https:\/\/4thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}