Difference between revisions of "DSERT - 5 - Maths :: Mental Arithmetic"
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Revision as of 07:35, 18 September 2017
Go To: DSERT-Mathematics-Grade 5
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Kripa S]
Objective: Explain approximation and estimation
Subtopics to be covered:
- Define approximation, estimation with examples
- Round off big numbers to nearest tens, hundreds etc
- Operations (+ , - , x , ÷) on 5-digit numbers and estimation
Learning Outcome:
- Students can round off a givien number to nearest asked place value.
- They can estimate value of a problem on addition, subtraction, multiplication and division for a big number
[Author - Kripa S]
http://ktbs.kar.nic.in/New/website%20textbooks/class5/5th-kannada-maths-2.pdf#page=23 (Kannada Medium)
http://ktbs.kar.nic.in/New/website%20textbooks/class5/5th-english-maths-2.pdf#page=23 (English Medium)
[Author - Kripa]
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 - Padmashree Sastry]
https://drive.google.com/open?id=0BzNF2YyqQxJ-T1NmXzFPQklYY1U
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