DSERT - 5 - Maths :: Mental Arithmetic

Course Content / Subtopic list:

Estimation And Approximation
Estimating The Given Number To The Nearest Thousands
Estimating Quotients

Lesson Plan

Dear Volunteer Teacher,

The lesson plan provides an overall picture of what you need to teach. It is recommended that you follow the objectives and the learning outcomes stated in the lesson plan.

We suggest that that you read the chapter thoroughly and research on how to teach the topic effectively to meet the learning outcomes.

Kindly note, while the lesson plan is a guide to teach, you can also add your own teaching elements to enhance the learning process of the children.

Mental Arithmetic Lesson Plan - (Lesson Plan - English)

https://drive.google.com/open?id=1OAOojtwhEx6g_LA5It7HjB2GHUpONJA_ (Lesson Plan - Kannada)

https://drive.google.com/open?id=19Uddyu-ywLTqoj2bsQIHbWiOgWLrX-fb (PPT - Kannada)

You may use the content as it is or download and modify them to suit the students requirements.

If you feel any major modifications or additions are carried out by you in the form of adding any new activity, presentations, videos etc. we request you to send the modified version to submitcontent@evidyloka.org for enabling upload of the modified version.

The worksheets of the lesson can be accessed from the worksheet tab.

Videos

[Contributor - Rohini GS]

Lesson Plan version 1.1 Video

https://www.youtube.com/watch?v=CaP61n1r1TI

https://www.youtube.com/watch?v=d00p8PQPfB0

https://www.youtube.com/watch?v=u6rUtoHR0wk

Images

[Contributor - 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)

Activities

[Contributor - Aadith Srinivasan]

1. Write “Thousand” , ”Hundred” ,” Ten ”,”One” on separate sheets of paper and ask 4 students to hold and stand in front of the class. Make 4 sets of number sheets from 0 to 9 and place them on the table .The teacher can call the students to represent a four digit number . After the number is called by the teacher the students can pick the number sheet from the table and stand in front of the students representing the place value.

Additional Aids

[Contributor - Rohini GS]

Lesson Plan version 1.1 PPT

https://drive.google.com/open?id=19Uddyu-ywLTqoj2bsQIHbWiOgWLrX-fb (Kannada)

Transliteration

[Contributor - Padmashree Sastry]

Term	Transliterated Term	Translated Term
Mental Arithmetic	ಮೆಂಟಲ್ ಅರಿತ್ಮೆಟಿಕ್	ಮಾನಸಿಕ ಗಣಿತ
Estimate	ಎಸ್ಟಿಮೇಟ್	ಅಂದಾಜಿಸು
Process	ಪ್ರೋಸೆಸ್	ವಿಧಾನ
Approximation	ಅಪ್ರಾಕ್ಸಿಮೇಷನ್	ಸಾಮೀಪ್ಯ ಬೆಲೆ
Sum	ಸಮ್	ಮೊತ್ತ
Numbers	ನಂಬರ್ಸ್	ಸಂಖ್ಯೆಗಳು
Difference	ಡಿಫರೆನ್ಸ್	ವ್ಯತ್ಯಾಸ
Product	ಪ್ರಾಡಕ್ಟ್	ಗುಣಲಬ್ಧ
Quotient	ಕೊಶೆಂಟ್	ಭಾಗಲಬ್ಧ
Approximately same as	ಅಪ್ರಾಕ್ಸಿಮೇಟ್ಲಿ ಸೇಮ್ ಅಸ್	ಸರಿಸುಮಾರು ಸಮನಾಗಿದೆ
Round off	ರೌಂಡ್ ಆಫ್	ಅಂದಾಜಿಸು
Divisor	ಡಿವೈಸರ್	ಭಾಜಕ
Dividend	ಡಿವಿಡೆಂಡ್	ಭಾಜ್ಯ
Highest place	ಹೈಎಸ್ಟ್ ಪ್ಲೇಸ್	ಗರಿಷ್ಟ ಸ್ಥಾನ