Difference between revisions of "DSERT - 7 - Maths :: Ratio and Proportion"
(Created page with "Go To: DSERT-Mathematics-Grade 7 =Lesson Plan= =Textbook= =Videos= =Images= =Activities= =Additional Aids= =Transliteration= =Worksheets= =Assessments= <headerta...") |
(→Textbook) |
||
| Line 2: | Line 2: | ||
=Lesson Plan= | =Lesson Plan= | ||
| + | |||
| + | [Author - Kripa S] | ||
| + | |||
| + | |||
| + | '''Objective:''' Learn ratio, proportion, types of proportion | ||
| + | |||
| + | '''Subtopics to be covered:''' | ||
| + | |||
| + | - Define ratio, examples of ratio | ||
| + | |||
| + | - Simplify ratio to smaller equivalent ratio | ||
| + | |||
| + | - Compare two ratio, check if they are proportional | ||
| + | |||
| + | - Direct and inverse proportion | ||
| + | |||
| + | '''Learning Outcome:''' | ||
| + | |||
| + | - Students can write a ratio for given example | ||
| + | |||
| + | - Students can write two equivalent ratio in a proportion | ||
| + | |||
| + | - Students can find value of unknown in a direct or an inverse proportion | ||
| + | |||
=Textbook= | =Textbook= | ||
| Line 10: | Line 34: | ||
http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-kannada-maths-2.pdf#page=21 (Kannada Medium) | http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-kannada-maths-2.pdf#page=21 (Kannada Medium) | ||
| − | http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-english-maths-2.pdf#page= | + | http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-english-maths-2.pdf#page=21 (English Medium) |
| − | + | ||
=Videos= | =Videos= | ||
Revision as of 06:40, 1 August 2017
Go To: DSERT-Mathematics-Grade 7
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Kripa S]
Objective: Learn ratio, proportion, types of proportion
Subtopics to be covered:
- Define ratio, examples of ratio
- Simplify ratio to smaller equivalent ratio
- Compare two ratio, check if they are proportional
- Direct and inverse proportion
Learning Outcome:
- Students can write a ratio for given example
- Students can write two equivalent ratio in a proportion
- Students can find value of unknown in a direct or an inverse proportion
[Author - Kripa S]
http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-kannada-maths-2.pdf#page=21 (Kannada Medium)
http://ktbs.kar.nic.in/New/website%20textbooks/class7/7th-english-maths-2.pdf#page=21 (English Medium)
[Author - Kripa S]
http://study.com/cimages/videopreview/4qfs3doxw6.jpg (what is ratio)
http://www.edpax.com/media/managed/large/ratio_proportion_2nd_41.png (ratio example 1)
http://www.rpdp.net/mathdictionary/english/vmd/images/e/equivalentratios.gif (ratio example 2)
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTHyX4m1veFeiPuZymoJGrmR8_G1Hi8qZKBzfUE66geuwYD0ry0 (proportion example 1)
https://image.pbs.org/poster_images/assets/PROPORTION.jpg.resize.710x399.jpg (proportion example 2)
https://www.mathsisfun.com/algebra/images/proportion-1a.gif (proportion with numbers)
http://images.tutorvista.com/cms/images/113/equivalent-ratios.png (equivalent ratio)
[Author - Kripa S]
1. In a class, there are 20 boys and 40 girls. What is the ratio of the number of boys to the number of girls?
2. Saurabh takes 15 minutes to reach school from his house and Sachin takes one hour to reach school from his house. Find the ratio of the time taken by Saurabh to the time taken by Sachin.
3. In a school, there were 73 holidays in one year. What is the ratio of the number of holidays to the number of days in one year
4. Measure the length and breadth of your classroom. What is the ratio of length to breadth ? Now check the ratio of length to breadth of your notebook. Are the two in same proportion ?
Enable comment auto-refresher