TNSB - 7 - Maths :: Life Mathematics Term 2

Go To: TNSB-Mathematics-Grade 7

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[Author - Kripa S]

http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-II-MSSS-TM-1.pdf#page=6 (Tamil Medium)

http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-II-MSSS-EM-1.pdf#page=6 (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)

[Contributor - Vijayashree T]

1. Collect 30 small stones or twigs. Divide them into 2 groups using the following ratios. For each ratio observe and note down the number of stones in each group. Make 3 ratios of your own and note down the number of stones in these groups also. 2. What is special about the ratio 5:5, Can you make one more ratio similar to this? Write down that ratio and note the number of stones in both groups. • 1: 2 • 1: 4 • 3: 2 • 5 : 5 • 2 : 8

[Contributor - Aishwarya Ramesh]

https://drive.google.com/open?id=0BzNF2YyqQxJ-U3RWWDFqdUxtMVU

[Contributor - Aishwarya Ramesh]

https://drive.google.com/open?id=0BzNF2YyqQxJ-d1hTSlB4S1g4SzQ

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