{"id":28537,"date":"2022-01-29T16:13:08","date_gmt":"2022-01-29T10:43:08","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=28537"},"modified":"2022-01-29T16:13:08","modified_gmt":"2022-01-29T10:43:08","slug":"knowing-our-numbers-class-6-extra-questions-maths-chapter-1","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-material-ques\/maths\/class-6\/knowing-our-numbers-class-6-extra-questions-maths-chapter-1\/","title":{"rendered":"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/study-material-ques\/maths\/class-6\/knowing-our-numbers-class-6-extra-questions-maths-chapter-1\/#Knowing_Our_Numbers_Class_6_Extra_Questions_Maths_Chapter_1\" title=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1\">Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/study-material-ques\/maths\/class-6\/knowing-our-numbers-class-6-extra-questions-maths-chapter-1\/#Knowing_Our_Numbers_Class_6_Extra_Questions_Very_Short_Answer_Type\" title=\"Knowing Our Numbers Class 6 Extra Questions Very Short Answer Type\">Knowing Our Numbers Class 6 Extra Questions Very Short Answer Type<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/study-material-ques\/maths\/class-6\/knowing-our-numbers-class-6-extra-questions-maths-chapter-1\/#Knowing_Our_Numbers_Class_6_Extra_Questions_Short_Answer_Type\" title=\"Knowing Our Numbers Class 6 Extra Questions Short Answer Type\">Knowing Our Numbers Class 6 Extra Questions Short Answer Type<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/study-material-ques\/maths\/class-6\/knowing-our-numbers-class-6-extra-questions-maths-chapter-1\/#Knowing_Our_Numbers_Class_6_Extra_Questions_Long_Answer_Type\" title=\"Knowing Our Numbers Class 6 Extra Questions Long Answer Type\">Knowing Our Numbers Class 6 Extra Questions Long Answer Type<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/study-material-ques\/maths\/class-6\/knowing-our-numbers-class-6-extra-questions-maths-chapter-1\/#Knowing_Our_Numbers_Class_6_Extra_Questions_Higher_Order_Thinking_Skills_HOTS\" title=\"Knowing Our Numbers Class 6 Extra Questions Higher Order Thinking Skills (HOTS)\">Knowing Our Numbers Class 6 Extra Questions Higher Order Thinking Skills (HOTS)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Knowing_Our_Numbers_Class_6_Extra_Questions_Maths_Chapter_1\"><\/span>Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Extra Questions for Class 6 Maths Chapter 1 Knowing Our Numbers<\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Knowing_Our_Numbers_Class_6_Extra_Questions_Very_Short_Answer_Type\"><\/span>Knowing Our Numbers Class 6 Extra Questions Very Short Answer Type<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Question 1.<br \/>\nWrite the smallest three digit number whose value does not change on reversing its digits.<br \/>\nSolution:<br \/>\nThe required number is 101.<\/p>\n<p>Question 2.<br \/>\nWrite the greatest three digit number which does not change on reversing its digits.<br \/>\nSolution:<br \/>\nThe required number is 999.<\/p>\n<p>Question 3.<br \/>\nWhat must be added to 203 to get a number whose digits are reversed of the given number?<br \/>\nSolution:<br \/>\nThe number obtained by reversing the digits of 203 = 302.<br \/>\n\u2234 Difference = 302 \u2013 203 = 99<br \/>\nHence, the required number is 99.<\/p>\n<p>Question 4.<br \/>\nWrite the following in Roman numerals:<br \/>\n(a) 72<br \/>\n(b) 38<br \/>\nSolution:<br \/>\n(a) 72 = LXXII<br \/>\n(b) 38 \u2013 XXXVIII<\/p>\n<p>Question 5.<br \/>\nWrite 438 in its expanded form.<br \/>\nSolution:<br \/>\n438 = 4 x 100 + 3 x 10 + 8.<\/p>\n<p>Question 6.<br \/>\nWrite the greatest five-digit number using the digits 4, 2 and 0.<br \/>\nSolution:<br \/>\nThe greatest five-digit number using the digits 4, 2 and 0 is 44420.<\/p>\n<p>Question 7.<br \/>\nThe capacity of a water tank is 300 litres. Express its capacity in millilitres.<br \/>\nSolution:<br \/>\nWe know that<br \/>\n1 litre = 1000 mL<br \/>\n\u2234 300 litres = 300 x 1000 mL = 3,00,000 mL<br \/>\nHence, the capacity of water tank = 3 lakh millilitres.<\/p>\n<p>Question 8.<br \/>\nWhat is the successor of greatest 6-digit number?<br \/>\nSolution:<br \/>\nGreatest 6-digit number = 999999<br \/>\nSuccessor of it = 999999 + 1 = 1000000<br \/>\ni. e., smallest 7-digit number.<br \/>\nHence, the required successor = 10,00,000.<\/p>\n<p>Question 9.<br \/>\nWhat is the place value of 7 in 1743?<br \/>\nSolution:<br \/>\nLet us write 1743 in its expanded form<br \/>\n1743 = 1000 + 700 + 40 +3<br \/>\nPlace value of 7 = 700<br \/>\nHence, the place value of 7 = 700.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Knowing_Our_Numbers_Class_6_Extra_Questions_Short_Answer_Type\"><\/span>Knowing Our Numbers Class 6 Extra Questions Short Answer Type<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Question 10.<br \/>\nOf 7,12,540 and 71,25,400 which number is greater and by how much?<br \/>\nSolution:<br \/>\nSince 71,25,400 is a seven-digit number and 7,12,540 is a six-digit number.<br \/>\nSo 71,25,400 is greater than 7,12,540.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-76354\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/Knowing-Our-Numbers-Class-6-Extra-Questions-Maths-Chapter-1-Q11.png\" alt=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 \" width=\"199\" height=\"86\" \/><br \/>\nHence 71,25,400 is greater than 7,12,540 by 64,12,860.<\/p>\n<p>Question 11.<br \/>\nWrite the smallest and the greatest 5-digit numbers using the digits 0,2,4,6,8 (Repetition of digits is not allowed).<br \/>\nSolution:<br \/>\nGiven digits are 0, 2, 4, 6, 8<br \/>\n5 \u2013 digit greatest number = 86420;<br \/>\n5 \u2013 digit smallest number = 20468.<\/p>\n<p>Question 12.<br \/>\nWrite the following numbers in ascending order. How many of them are even numbers?<br \/>\n63,854, 63,584, 65,348, 68,543, 64,835<br \/>\nSolution:<br \/>\nThe given numbers are 63,854, 63,584, 65,348, 68,543 and 64,835.<br \/>\nAscending order is 63,584 ; 63,854 ; 64,835 ; 65,348 ; 68,543<br \/>\nEven numbers are 63,584, 63,854 and 65,348.<\/p>\n<p>Question 13.<br \/>\nRound the given numbers to the nearest tens.<br \/>\n(a) 48<br \/>\n(b) 59<br \/>\n(c) 64<br \/>\n(d) 215<br \/>\nSolution:<br \/>\nGiven number Rounded off to tens<br \/>\n(a) 48 \u2192 50<br \/>\n(6) 59 \u2192 60<br \/>\n(c) 64 \u2192 60<br \/>\n(d) 215 \u2192 220<\/p>\n<p>Question 14.<br \/>\nEstimate the following products:<br \/>\n(\u0430) 86 x 316<br \/>\n(b) 898 x 786<br \/>\nSolution:<br \/>\n(a) 86 x 316<br \/>\n\u2235 86 \u2192 90 [Rounding off to tens] and 316 \u2192 320 [Rounding off to tens]\nSo, the estimated product is 90 x 320 = 28800<\/p>\n<p>(b) 898 x 786<br \/>\n\u2235 898 \u2192 900 [Rounding off to hundreds] and 786 \u2192 800 [Rounding off to hundreds]\nSo, the estimated product is 900 x 800 = 720000.<\/p>\n<p>Question 15.<br \/>\nDivide 2,63,175 by 275.<br \/>\nSolution:<br \/>\nWe have<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-76355\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/Knowing-Our-Numbers-Class-6-Extra-Questions-Maths-Chapter-1-Q15.png\" alt=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 \" width=\"167\" height=\"187\" \/><br \/>\nHence, quotient = 957 and remainder = 0.<\/p>\n<p>Question 16.<br \/>\nA student multiplied 3759 by 231 instead of multiplying by 213. How much was his product greater than the correct product?<br \/>\nSolution:<br \/>\nFirst Method:<br \/>\n(3759 x 231)-(3759 x 213) = 868329 \u2013 800667 = 67662<br \/>\nSecond Method: 3759 x (231 \u2013 213) = 3759 x 18 = 67662<br \/>\nHence, the product difference is 67662.<\/p>\n<p>Question 17.<br \/>\nEstimate: 25,148 + 7394 + 9343 + 752<br \/>\nSolution:<br \/>\nEstimated values are<br \/>\n25,148     \u2192    25100<br \/>\n7394        \u2192     7400<br \/>\n9343       \u2192      9300<br \/>\n752          \u2192      800<br \/>\nSo, the estimated sum is 25100 + 7400 + 9300 + 800 = 42600<br \/>\nHence, the estimated sum is 42600.<\/p>\n<p>Question 18.<br \/>\nWrite all the even numbers between 90 and 100 in Roman Numerals.<br \/>\nSolution:<br \/>\nEven numbers between 90 and 100, we have 92, 94, 96, 98.<br \/>\n\u2234 92 = XCII,<br \/>\n94 = XCIV,<br \/>\n96 = XCVI,<br \/>\n98 = XCVIII<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Knowing_Our_Numbers_Class_6_Extra_Questions_Long_Answer_Type\"><\/span>Knowing Our Numbers Class 6 Extra Questions Long Answer Type<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Question 19.<br \/>\nWrite the missing digits in the following sums:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-76356\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/Knowing-Our-Numbers-Class-6-Extra-Questions-Maths-Chapter-1-Q19.png\" alt=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 \" width=\"188\" height=\"223\" \/><br \/>\nSolution:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-76357\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/Knowing-Our-Numbers-Class-6-Extra-Questions-Maths-Chapter-1-Q19a.png\" alt=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 \" width=\"186\" height=\"243\" \/><\/p>\n<p>Question 20.<br \/>\nWrite Hindu-Arabic numerals for:<br \/>\n(a) LXXXVI<br \/>\n(b) LXXV<br \/>\n(c) XCIX<br \/>\n(d) XCI<br \/>\nSolution:<br \/>\n(a) LXXXVI = 50 + 30 + 6 = 86<br \/>\n(b) LXXV = 50 + 20 + 5 = 75<br \/>\n(c) XCIX = (100 \u2013 10) + 9 = 99<br \/>\n(d) XCI = (100 \u2013 10) + 1 = 91<\/p>\n<p>Question 21.<br \/>\nThe distance between the school and Reena\u2019s house is 1 km 480 m. Everyday she walks both ways. What distance does she cover in 6 days of a week?<br \/>\nSolution:<br \/>\nDistance covered when she walks one way = 1 km 480 m = 1480 m<br \/>\nTherefore, the distance covered when she walk both ways in a day = 1480 x 2 m = 2960 m<br \/>\nTotal distance covered by Reena in 6 days = 2960 x 6 m = 17760 m or 17 km 760 m.<\/p>\n<p>Question 22.<br \/>\nSimplify: 36 \u00f7 [5 + {4 x 5 \u00f7 2}]\nSolution:<br \/>\nGiven:<br \/>\n36 \u00f7 [5 + {4 x 5 \u00f7 2}]\nUsing B, O, D, M, A, S<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-76358\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/Knowing-Our-Numbers-Class-6-Extra-Questions-Maths-Chapter-1-Q22.png\" alt=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 \" width=\"335\" height=\"117\" \/><\/p>\n<p>Question 23.<br \/>\nTo stitch a pant 1 m 15 cm cloth is needed. Out of 36 m cloth, how many pants can be stitched and how much cloth will remain?<br \/>\nSolution:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-76359\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/Knowing-Our-Numbers-Class-6-Extra-Questions-Maths-Chapter-1-Q23.png\" alt=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 \" width=\"136\" height=\"141\" \/><br \/>\nCloth required to stitch 1 pant = 1 m 15 cm<br \/>\n= 100 cm + 15 cm [\u2235 1 m = 100 cm]\n= 115 cm<br \/>\nTotal cloth = 36 m = 36 x 100 cm = 3600 cm<br \/>\nTherefore number of pants stitched = \\(\\frac { 3600 }{ 115 }\\)<br \/>\nHence, 31 pants can be stitched and cloth left over is 35 cm.<\/p>\n<p>Question 24.<br \/>\nWrite each of the following numbers in figures:<br \/>\n(a) Eighty-one million four hundred twelve thousand six hundred fifty.<br \/>\n(b) Twenty million three hundred eighty thousand one hundred.<br \/>\n(c) Ninety million nine.<br \/>\n(d) Forty-nine million seven hundred eighty two thousand fifty eight.<br \/>\n(e) Six millions three hundred fifty-two thousand nine hundred forty-six.<br \/>\n(f) Seven crore twenty-three lakh eighty-six thousand, five hundred ninety-four.<br \/>\n(g) Fifty crore forty lakh sixty thousand nine.<br \/>\n(h) Nineteen crore, ninety lakh, fourteen thousand, six hundred eighty.<br \/>\nSolution:<br \/>\nIn words                                                                                                                         In figure<br \/>\n(\u0430) Eighty-one millions four hundred twelve thousand, six hundred fifty.     81,412,650<br \/>\n(b) Twenty million three hundred eighty thousand one hundred                     20,380,100<br \/>\n(c) Ninety million nine                                                                                               90,000,009<br \/>\n(d) Forty-nine million seven hundred eighty-two thousand fifty-eight           49,782,058<br \/>\n(e) Six-millions three hundred fifty-two thousand nine hundred forty-six    6,352,946<br \/>\n(f) Seven crore, twenty-three lakh eighty-six thousand five hundred ninety-four 7,23,86,594<br \/>\n(g) Fifty crore forty lakh sixty thousand nine                                                        50,40,60,009<br \/>\n(h) Nineteen crore ninety lakh fourteen thousand six hundred eighty.           19,90,14,680<\/p>\n<p>Question 25.<br \/>\nWrite True\/False for the following statements:<br \/>\n(a) Roman symbol X cannot be repeated more than three times<br \/>\n(b) VXXX = 25 \u2026\u2026.. .<br \/>\n(c) Estimate value of274 rounding off to nearest hundreds = 200 \u2026\u2026.<br \/>\n(d) I and X can repeat at the most three times \u2026\u2026.<br \/>\n(e) V, L and D are neither, repeated nor written to the left of greater value symbol \u2026\u2026..<br \/>\n(f) There are six basic symbols in Roman Numeration system \u2026\u2026..<br \/>\nSolution:<br \/>\n(a) True<br \/>\n(b) False<br \/>\n(c) False<br \/>\n(d) True<br \/>\n(e) True<br \/>\n(f) False.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Knowing_Our_Numbers_Class_6_Extra_Questions_Higher_Order_Thinking_Skills_HOTS\"><\/span>Knowing Our Numbers Class 6 Extra Questions Higher Order Thinking Skills (HOTS)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Question 26.<br \/>\nThere are two factories located at place P and the other at place Q. From these factories, a certain commodity is to be delivered to each of the depots situated at A, B and C. Weekly production of commodity by P and Q are 120 kg and 150 kg respectively. Weekly requirement of commodity by A, B and C are 80 kg, 90 kg and 100 kg respectively. P delivers 60 kg to A, 40 kg to B and 20 kg to C. How much amount of the commodity should Q deliver to A, B and C to meet their requirement? If the rate of the commodity is ? 20 per kg, find the total amount to be paid to P and Q.<br \/>\nSolution:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-76360\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2021\/12\/Knowing-Our-Numbers-Class-6-Extra-Questions-Maths-Chapter-1-Q26.png\" alt=\"Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 \" width=\"196\" height=\"194\" \/><br \/>\nAmount of commodity delivered by P to A = 60 kg<br \/>\nAmount of commodity delivered by Q to A = 80 \u2013 60 = 20 kg<br \/>\nAmount of commodity delivered by P to B = 40 kg<br \/>\nAmount of commodity delivered by Q to B \u2013 90 \u2013 40 = 50 kg<br \/>\nAmount of commodity delivered by P to C = 20<br \/>\nAmount of commodity delivered by Q to C = 100 \u2013 20 = 80 kg.<br \/>\nNow Amount of money to be paid to P by A, B and C = \u20b9( 60 x 20 + 40 x 20 + 20 x 20)<br \/>\n= \u20b9 (1200 + 800 + 400)<br \/>\n= \u20b9 2400<br \/>\nand amount of money to be paid to Q by A, B and C<br \/>\n= \u20b9 (20 x 20 + 50 x 20 + 80 x 20)<br \/>\n= \u20b9 (400 + 1000 + 1600) = \u20b9 3000<br \/>\nHence, the total amount<br \/>\n= \u20b9 2400 + \u20b9 3000 = \u20b9 5400.<\/p>\n<h4><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 Extra Questions for Class 6 Maths Chapter 1 Knowing Our [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"\"Get Knowing Our Numbers Class 6 Extra Questions Maths Chapter 1 on Infinity Learn.\"","custom_permalink":"study-material-ques\/maths\/class-6\/knowing-our-numbers-class-6-extra-questions-maths-chapter-1\/"},"categories":[93,13,21],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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