Here's a blog post based on the YouTube video about "Number Knowledge" for the Jawahar Navodaya Vidyalaya entrance exam:
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## Mastering Number Knowledge for Navodaya Vidyalaya Entrance Exam: A Comprehensive Guide
Are you preparing for the Jawahar Navodaya Vidyalaya entrance exam, especially for the 2019 cycle? Understanding fundamental number concepts is crucial for success. This insightful video by Gohel Jitendra provides a detailed breakdown of essential "Number Knowledge" (Sankhya Gyan) topics.
The video covers key areas that every aspiring student should master:
* **Number Reading and Writing (Sankhya Vachan ane Lekhan):** Learn how to accurately write numbers from words to digits and vice-versa. For instance, converting "five lakh nine thousand nine" to **5,09,009** \[[03:26](http://www.youtube.com/watch?v=m4p_BE97OFg&t=206)\] or combining place values like 14 thousand + 5 hundred + 2 tens + 5 units to form **14,525** \[[05:49](http://www.youtube.com/watch?v=m4p_BE97OFg&t=349)\].
* **Place Value (Sthan Kimmat):** Discover the positional value of each digit in a number. In **52,319**, the place value of 5 is 50,000, 2 is 2,000, 3 is 300, 1 is 10, and 9 is 9 \[[08:04](http://www.youtube.com/watch?v=m4p_BE97OFg&t=484)\].
* **Face Value (Darshanik Kimmat):** Understand that the face value of a digit is simply the digit itself, regardless of its position \[[07:22](http://www.youtube.com/watch?v=m4p_BE97OFg&t=442)\]. For example, the face value of 9 is 9, and 1 is 1.
* **Approximation (Ashre Kimmat):** While not explicitly detailed in the summary, this is a vital concept in number knowledge, often involving rounding numbers.
* **Smallest and Largest Numbers:** Get a clear understanding of the smallest and largest numbers for different digit counts. For example, the smallest 2-digit number is 10, and the largest is 99 \[[18:22](http://www.youtube.com/watch?v=m4p_BE97OFg&t=1102)\]. The video even tackles a 2013 exam question: finding the difference between the largest and smallest 5-digit numbers, which is **89,999** \[[20:20](http://www.youtube.com/watch?v=m4p_BE97OFg&t=1220)\].
The instructor emphasizes that mathematics isn't inherently difficult; it's often the fear and lack of practice that make it seem so \[[02:00](http://www.youtube.com/watch?v=m4p_BE97OFg&t=120)\]. Consistent practice is key to overcoming these hurdles and excelling in your exams.
This video is an excellent resource for anyone looking to strengthen their foundational number skills for competitive exams. Remember, practice makes perfect!
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