Difference between revisions of "WBSED - 7 - Maths :: Approximation"
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| − | + | || এপ্রক্সিমেট ভ্যালু || আসন্নমান | |
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| − | |Actual Value || | + | |Actual Value || একচুয়াল ভ্যালু || প্রকৃত মান |
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|Decimal Place || ডেসিমাল প্লেস || দশমিক স্থান | |Decimal Place || ডেসিমাল প্লেস || দশমিক স্থান | ||
Revision as of 11:02, 25 August 2017
Go To: WBSED-Mathematics-Grade 7
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Kripa S]
Objective: To explain approximation and rounding off
Subtopics to be covered:
- Rounding off to nearest 10, 100, 1000 based on the digit ( >= 5 or < 5)
- Rounding off in decimals in place value of 1/10, 1/100, 1/1000 based on digit
- Finding the approximate value of a rational number based on no. of digits asked
Learning Outcome:
- Students can write approximate value of number given based on place value limit
[Author - Kripa S]
http://www.wbsed.gov.in/wbsed/readwrite/etextbook/Ganitprabha%20Class%20VII.pdf#page=139 (Bengali Medium)
[Author - Kripa S]
https://www.youtube.com/watch?v=TRocn_jSDO4 (standard form of numbers)
https://www.youtube.com/watch?v=ArSJu4S0zBg&index=4&list=PL12B8B0749D02CDB9 (rounding whole numbers)
[Author - Kripa S]
http://cdn.multiplication.com/sites/default/files/images/2014-03-10%2014_36_01.jpg (estimation)
http://slideplayer.com/38/10804509/big_thumb.jpg (rounding off units place)
http://www.kbcabinetmaking.com.au/unit3_making_measurements/section1_calculating/images/lesson1_using_a_calculator_6.jpg (rounding off decimals)
https://www.theschoolrun.com/sites/theschoolrun.com/files/content-images/rounding_hundreds.png (example to round off in 100s place)
[Author - Kripa S]
1. Count the number of students in your class. Count the number of students in your school. Can you tell the number of children in your village - exact or aproximately?
2. Share how many people live in your village. Discuss with your friends on the count. Whose count is more correct? Learn about approximation in this activity
3. Can you tell number of stars present in sky at night. An approximate number?
[Contributor - Arnab Das]
| Term | Transliterated Term | Translated Term |
|
Approximate Value |
এপ্রক্সিমেট ভ্যালু | আসন্নমান |
| Actual Value | একচুয়াল ভ্যালু | প্রকৃত মান |
| Decimal Place | ডেসিমাল প্লেস | দশমিক স্থান |
| Tens Place | টেনস প্লেস | দশক স্থান |
| Hundreds Place | হান্ড্রেডস প্লেস | শতক স্থান |
| Thousands Place | থাউসান্ডস প্লেস | হাজার স্থান |
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