WBSED - 7 - Maths :: Approximation

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Go To: WBSED-Mathematics-Grade 7

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[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]


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?


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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