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Page 1 Raghav practices yoga in the morning. (a) Who took the longest time? (b) Who took the least time? Racing Seconds Chapter Chapter 12 12 Let us find out 1. At what time did Raghav start practising Yoga? ………………. 2. At what time did he finish? ……………. 3. How much time did he spend practising Yoga? .................... 4. Find the time elapsed between the given time periods. Share your strategies. (a) 01:15 p.m. to 01:42 p.m.? (b) 03:18 p.m. to 08:18 p.m.? (c) 09:15 a.m. to 11:30 a.m.? 5. The table below shows the time taken by 3 children to paint a picture. Name Time Taken Raghav 1 hour 20 minutes Rani 2 hours 10 minutes Ritu 1 hour 35 minutes 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 155 Chapter-12 Racing Seconds.indd 155 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM Page 2 Raghav practices yoga in the morning. (a) Who took the longest time? (b) Who took the least time? Racing Seconds Chapter Chapter 12 12 Let us find out 1. At what time did Raghav start practising Yoga? ………………. 2. At what time did he finish? ……………. 3. How much time did he spend practising Yoga? .................... 4. Find the time elapsed between the given time periods. Share your strategies. (a) 01:15 p.m. to 01:42 p.m.? (b) 03:18 p.m. to 08:18 p.m.? (c) 09:15 a.m. to 11:30 a.m.? 5. The table below shows the time taken by 3 children to paint a picture. Name Time Taken Raghav 1 hour 20 minutes Rani 2 hours 10 minutes Ritu 1 hour 35 minutes 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 155 Chapter-12 Racing Seconds.indd 155 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 156 6. Fill in the blanks by writing the time in the appropriate format. Time in 12-hour fromat Time in 24-hour fromat 05:30 a.m. 05:30 hours ………… 08:35 hours 11:55 a.m. ……… hours 02:30 p.m. 14:30 hours 05:30 p.m. ……… hours 09:35 p.m. ……… hours 7. Match the following. Time in 12–hour format Time in 24–hour format 06:30 a.m. 01:30 hours 08:45 p.m. 23:45 hours 11:45 p.m. 06:30 hours 04:30 a.m. 20:45 hours 07:30 p.m. 04:30 hours 01:30 a.m. 19:30 hours Akira, Sunita, and Mary are participating in a 200 m-walking race. School Race 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 156 Chapter-12 Racing Seconds.indd 156 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM Page 3 Raghav practices yoga in the morning. (a) Who took the longest time? (b) Who took the least time? Racing Seconds Chapter Chapter 12 12 Let us find out 1. At what time did Raghav start practising Yoga? ………………. 2. At what time did he finish? ……………. 3. How much time did he spend practising Yoga? .................... 4. Find the time elapsed between the given time periods. Share your strategies. (a) 01:15 p.m. to 01:42 p.m.? (b) 03:18 p.m. to 08:18 p.m.? (c) 09:15 a.m. to 11:30 a.m.? 5. The table below shows the time taken by 3 children to paint a picture. Name Time Taken Raghav 1 hour 20 minutes Rani 2 hours 10 minutes Ritu 1 hour 35 minutes 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 155 Chapter-12 Racing Seconds.indd 155 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 156 6. Fill in the blanks by writing the time in the appropriate format. Time in 12-hour fromat Time in 24-hour fromat 05:30 a.m. 05:30 hours ………… 08:35 hours 11:55 a.m. ……… hours 02:30 p.m. 14:30 hours 05:30 p.m. ……… hours 09:35 p.m. ……… hours 7. Match the following. Time in 12–hour format Time in 24–hour format 06:30 a.m. 01:30 hours 08:45 p.m. 23:45 hours 11:45 p.m. 06:30 hours 04:30 a.m. 20:45 hours 07:30 p.m. 04:30 hours 01:30 a.m. 19:30 hours Akira, Sunita, and Mary are participating in a 200 m-walking race. School Race 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 156 Chapter-12 Racing Seconds.indd 156 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 157 Do you notice the use of a new unit ‘seconds’ in the picture? 1 min = 60 seconds In situations like a race, ‘seconds’ help us observe small differences in time taken by participants. Each participant took 1 minute but how much more? Identify the child who won the race. How much time did the child take? Estimate whether you would take seconds or minutes to complete the following activities. Tick the appropriate cell. Let Us Do Activity Seconds Minutes Blinking of eyes Switching on and switching off the lights Counting from 1–20 Filling a glass from the tap Melting of an ice-cube Making a phone call Sitting down on the floor Drinking a glass of water Snapping fingers Washing hands Note for the Teachers: Let the learners observe and discuss who stood first, who stood second, and who stood third and why. Help them understand the difference between minutes and seconds and seconds as a unit which adds precision in measuring short time duration. Get the learners to observe that 60 movements of the seconds hand leads to a shift in the minute hand. Chapter-12 Racing Seconds.indd 157 Chapter-12 Racing Seconds.indd 157 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM Page 4 Raghav practices yoga in the morning. (a) Who took the longest time? (b) Who took the least time? Racing Seconds Chapter Chapter 12 12 Let us find out 1. At what time did Raghav start practising Yoga? ………………. 2. At what time did he finish? ……………. 3. How much time did he spend practising Yoga? .................... 4. Find the time elapsed between the given time periods. Share your strategies. (a) 01:15 p.m. to 01:42 p.m.? (b) 03:18 p.m. to 08:18 p.m.? (c) 09:15 a.m. to 11:30 a.m.? 5. The table below shows the time taken by 3 children to paint a picture. Name Time Taken Raghav 1 hour 20 minutes Rani 2 hours 10 minutes Ritu 1 hour 35 minutes 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 155 Chapter-12 Racing Seconds.indd 155 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 156 6. Fill in the blanks by writing the time in the appropriate format. Time in 12-hour fromat Time in 24-hour fromat 05:30 a.m. 05:30 hours ………… 08:35 hours 11:55 a.m. ……… hours 02:30 p.m. 14:30 hours 05:30 p.m. ……… hours 09:35 p.m. ……… hours 7. Match the following. Time in 12–hour format Time in 24–hour format 06:30 a.m. 01:30 hours 08:45 p.m. 23:45 hours 11:45 p.m. 06:30 hours 04:30 a.m. 20:45 hours 07:30 p.m. 04:30 hours 01:30 a.m. 19:30 hours Akira, Sunita, and Mary are participating in a 200 m-walking race. School Race 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 156 Chapter-12 Racing Seconds.indd 156 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 157 Do you notice the use of a new unit ‘seconds’ in the picture? 1 min = 60 seconds In situations like a race, ‘seconds’ help us observe small differences in time taken by participants. Each participant took 1 minute but how much more? Identify the child who won the race. How much time did the child take? Estimate whether you would take seconds or minutes to complete the following activities. Tick the appropriate cell. Let Us Do Activity Seconds Minutes Blinking of eyes Switching on and switching off the lights Counting from 1–20 Filling a glass from the tap Melting of an ice-cube Making a phone call Sitting down on the floor Drinking a glass of water Snapping fingers Washing hands Note for the Teachers: Let the learners observe and discuss who stood first, who stood second, and who stood third and why. Help them understand the difference between minutes and seconds and seconds as a unit which adds precision in measuring short time duration. Get the learners to observe that 60 movements of the seconds hand leads to a shift in the minute hand. Chapter-12 Racing Seconds.indd 157 Chapter-12 Racing Seconds.indd 157 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 158 List events other than the ones listed above that you can do or that can happen in less than a minute or in a few seconds. …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… Estimate and verify how many of these you can do in a minute. Activity Estimated Number Actual Number Number of balloons blown Number of push-ups Number of breaths Number of hops on one leg 1. Find out the number of times you can skip the rope in 10 seconds. 2. How long does it take you to write the word FRIEND? 3. How long does it take you to run 100m? Let Us Find Chapter-12 Racing Seconds.indd 158 Chapter-12 Racing Seconds.indd 158 7/2/2025 6:19:00 PM 7/2/2025 6:19:00 PM Page 5 Raghav practices yoga in the morning. (a) Who took the longest time? (b) Who took the least time? Racing Seconds Chapter Chapter 12 12 Let us find out 1. At what time did Raghav start practising Yoga? ………………. 2. At what time did he finish? ……………. 3. How much time did he spend practising Yoga? .................... 4. Find the time elapsed between the given time periods. Share your strategies. (a) 01:15 p.m. to 01:42 p.m.? (b) 03:18 p.m. to 08:18 p.m.? (c) 09:15 a.m. to 11:30 a.m.? 5. The table below shows the time taken by 3 children to paint a picture. Name Time Taken Raghav 1 hour 20 minutes Rani 2 hours 10 minutes Ritu 1 hour 35 minutes 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 155 Chapter-12 Racing Seconds.indd 155 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 156 6. Fill in the blanks by writing the time in the appropriate format. Time in 12-hour fromat Time in 24-hour fromat 05:30 a.m. 05:30 hours ………… 08:35 hours 11:55 a.m. ……… hours 02:30 p.m. 14:30 hours 05:30 p.m. ……… hours 09:35 p.m. ……… hours 7. Match the following. Time in 12–hour format Time in 24–hour format 06:30 a.m. 01:30 hours 08:45 p.m. 23:45 hours 11:45 p.m. 06:30 hours 04:30 a.m. 20:45 hours 07:30 p.m. 04:30 hours 01:30 a.m. 19:30 hours Akira, Sunita, and Mary are participating in a 200 m-walking race. School Race 1 1 2 2 3 3 01:55 Min. Sec. 01:56 Min. Sec. 01:57 Min. Sec. Chapter-12 Racing Seconds.indd 156 Chapter-12 Racing Seconds.indd 156 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 157 Do you notice the use of a new unit ‘seconds’ in the picture? 1 min = 60 seconds In situations like a race, ‘seconds’ help us observe small differences in time taken by participants. Each participant took 1 minute but how much more? Identify the child who won the race. How much time did the child take? Estimate whether you would take seconds or minutes to complete the following activities. Tick the appropriate cell. Let Us Do Activity Seconds Minutes Blinking of eyes Switching on and switching off the lights Counting from 1–20 Filling a glass from the tap Melting of an ice-cube Making a phone call Sitting down on the floor Drinking a glass of water Snapping fingers Washing hands Note for the Teachers: Let the learners observe and discuss who stood first, who stood second, and who stood third and why. Help them understand the difference between minutes and seconds and seconds as a unit which adds precision in measuring short time duration. Get the learners to observe that 60 movements of the seconds hand leads to a shift in the minute hand. Chapter-12 Racing Seconds.indd 157 Chapter-12 Racing Seconds.indd 157 7/2/2025 6:18:59 PM 7/2/2025 6:18:59 PM 158 List events other than the ones listed above that you can do or that can happen in less than a minute or in a few seconds. …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… …………………………………………………………………………… Estimate and verify how many of these you can do in a minute. Activity Estimated Number Actual Number Number of balloons blown Number of push-ups Number of breaths Number of hops on one leg 1. Find out the number of times you can skip the rope in 10 seconds. 2. How long does it take you to write the word FRIEND? 3. How long does it take you to run 100m? Let Us Find Chapter-12 Racing Seconds.indd 158 Chapter-12 Racing Seconds.indd 158 7/2/2025 6:19:00 PM 7/2/2025 6:19:00 PM 159 Observe the clocks and fill in the blanks. Let Us Do 1 Rani took __________ sec. to get out of her bed. 2 3 4 Raghav took ________ sec. to move from his room to the kitchen. Ritu took ________ sec. to pick up a piece of paper from the floor. Raghu took ________ sec. to wash his spoon and plate. Chapter-12 Racing Seconds.indd 159 Chapter-12 Racing Seconds.indd 159 7/2/2025 6:19:00 PM 7/2/2025 6:19:00 PMRead More
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FAQs on NCERT Textbook: Racing Seconds - Mathematics (Maths Mela) Class 5 - New NCERT
| $1. Racing Seconds क्या है और यह किस विषय पर आधारित है? |  |
Ans."Racing Seconds" एक पाठ है जो खेल और प्रतिस्पर्धा के महत्व को दर्शाता है। यह पाठ छात्रों को खेलों में समय के प्रबंधन और प्रतिस्पर्धा की भावना सिखाता है।
| $2. Racing Seconds में कौन-कौन से मुख्य बिंदुओं पर चर्चा की गई है? | |
Ans. इस पाठ में खेलों के आयोजन, प्रतिस्पर्धा की भावना, समय का महत्व और टीमवर्क पर चर्चा की गई है। पाठ में यह भी बताया गया है कि कैसे खेल हमें अनुशासन और धैर्य सिखाते हैं।
| $3. Racing Seconds पाठ से छात्रों को क्या सीखने को मिलता है? | |
Ans. छात्रों को Racing Seconds पाठ से खेलों में मेहनत और लगन का महत्व समझ में आता है। उन्हें यह भी सीखने को मिलता है कि जीतने के लिए समर्पण और टीम वर्क कितना आवश्यक है।
| $4. Racing Seconds का खेलों में क्या योगदान है? | |
Ans. Racing Seconds खेलों में प्रतिस्पर्धा और उत्साह को बढ़ावा देता है। यह पाठ बच्चों को प्रेरित करता है कि वे खेलों में भाग लें और अपनी क्षमताओं को पहचानें।
| $5. Racing Seconds पाठ में कौन से खेलों का उदाहरण दिया गया है? | |
Ans. पाठ में विभिन्न खेलों जैसे दौड़, क्रिकेट, फुटबॉल आदि का उदाहरण दिया गया है। ये उदाहरण बताते हैं कि कैसे अलग-अलग खेलों में प्रतिस्पर्धा और टीमवर्क की आवश्यकता होती है।
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