MHSB - 7 - Maths :: Perimeter and Area
Go To:MSCERT-Mathematics-Grade 7
Course Content / Subtopic list:
- Perimeter
- Area Formula And Use
- Area Of Right Angled Triangle
- Surface Area
Lesson Plan
[Contributor - Kripa S]
Objective: Revise area and perimeter and introduce surface area calculation
Subtopics to be covered:
- Revise area, perimeter of square and rectangle, right angled triangle
- Surface area of cube, cuboid
Learning Outcome:
- Students can solve problems based on finding perimeter, area for a rectangle, square, right angled triangle
- They can find surface area for a cube or a cuboid
Videos
[Contributor - Kripa S]
https://www.youtube.com/watch?v=d_6XOBpoDz4 (area of rectangle, square)
https://www.youtube.com/watch?v=JAy_CETEyUM (perimeter of rectangle, square)
https://www.youtube.com/watch?v=T5JgebOqmOc (Perimeter - Marathi)
https://www.youtube.com/watch?v=vF7WsHZKIRw (area- Marathi)
Images
[Contributor - Kripa S]
http://www.inspiration.com/sites/default/files/images/ExploringArea_big.gif (area)
https://www.mathspad.co.uk/Images/countingSquares.PNG (area of shapes)
https://s-media-cache-ak0.pinimg.com/originals/33/71/05/3371055cdf2a8d3fff4e2767b8c81a30.jpg (area, perimeter)
Activities
[Contributor - Kripa S]
1. Use your notebook and find the area of your bench, or teacher's table.
2. Use your pen/ pencil and find the area of your notebook. How many pens will cover your notebook?
3. Make 5 small squares of same size and cut them. How many shapes can you make using these 5 small squares? Draw those shapes in a page and show your friends
4. Use your pen to check the perimeter of your bench. Alternately you can walk joining your feet to find the perimeter of your classroom
Additional Aids
[Contributor - Niranjan Kadam]
https://drive.google.com/open?id=0BzNF2YyqQxJ-ejVMSFF6b0NWVVk
Transliteration
[Contributor - Niranjan Kadam]
| Term | Transliterated Term | Translated Term |
| Perimeter | पेरिमीटर | परिमिती |
| Length | लेंथ | लांबी |
| Breadth | ब्रेअथ | रुंदी |
| Square | सक़ुऐर | चौरस |
| Rectangle | रेक्टअंगल | अयत |
| Area | एरिया | क्षेत्रफळ |
| Area of Right angled Triangle | एरिया ऑफ राइट अँगलड ट्रॅन्गल | काटकोन त्रिकोणाचे क्षेत्रफळ |
| Right Angled traingle | राइट अँगलड ट्रॅन्गल | काटकोन त्रिकोण |
| Base | बेस | पाया |
| Height | हैइट | उंची |
| Triangle | ट्रॅन्गल | त्रिकोण |
| Surface area | सरफेस | पृष्ठफळ |
| Area of triangle | एरिया ऑफ ट्रॅन्गल | त्रिकोणाचे क्षेत्रफळ |
| Cuboid | क्यूबॉइड | इष्टिकाचिती |
| Opposite faces | ओप्पोझिट फेस | समोरासमोरील आयताकार पृष्ठ |
| Faces | फेस | पृष्ठे |
| Cube | क्यूब | घन |
Worksheets
[Contributor - Niranjan Kadam]
https://drive.google.com/open?id=0BzNF2YyqQxJ-S0NaVXhzQjBYLXM
[Contributor - Varija Srinivas]
https://drive.google.com/open?id=1YRSsp_gJ0QMaDEg63fItuq-DNen_X-Ut (Worksheet 1)
Worksheets [Version 2021]
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/MHSB/Maths/T+7087_ST+6150_V1.pdf (Worksheet 1)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/MHSB/Maths/T+7087_ST+6151_V1.pdf (Worksheet 2)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/MHSB/Maths/T+7087_ST+6152_V1.pdf (Worksheet 3)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/MHSB/Maths/T+7087_ST+6153_V1.pdf (Worksheet 4)
Answer Keys [Version 2021]
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/MHSB/Math/T+7087_ST+6150_V1.docx (Answerkey 1)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/MHSB/Math/T+7087_ST+6151_V1.docx (Answerkey 2)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/MHSB/Math/T+7087_ST+6152_V1.docx (Answerkey 3)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/MHSB/Math/T+7087_ST+6153_V1.docx (Answerkey 4)
Assessments
[Contributor - Pritam Lad]
https://drive.google.com/open?id=1vf9J5pxFFnsalDlyubJ0hjtNPhJsBjbi (Question Bank - Marathi]
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