TNSB - 5 - Maths :: Estimation

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[Contributor - Aasma Ahmad]

Objective: To introduce the concept of estimation

Subtopics to be covered:

1. Rounding off number to its nearest ten
2. Estimating addition
3. Estimating subtraction
4. Estimating multiplication
5. Estimating division
6. Comparing estimated values with actual

Learning Outcome:

1. Students can estimate a number to its nearest ten
2. Students can perform arithmetic operations of addition, subtraction, multiplication and division by estimation

[Contributor - Kripa S]

http://www.textbooksonline.tn.nic.in/Books/Std05/Std05-III-MSSS-TM-1.pdf#page=17 (Tamil Medium)

http://www.textbooksonline.tn.nic.in/Books/Std05/Std05-III-MSSS-EM-1.pdf#page=13 (English medium)

[Contributor - 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)

[Contributor - Sriram]

https://drive.google.com/open?id=1oiRY1PXtZkH33wjzhxugpHVIZfDmtaSQ

[Contributor - Nambi Varadarajan]

https://drive.google.com/open?id=1JytSggiv8-3_LZJHKv500L6k6ryD5Kdn

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