A Toran over the Door
Torans are made by joining strips of cloth end to end.
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A toran is strips joined end to end, so its length is always a multiple of the strip length.
Find the shortest toran two people can both make, and the next day for free gajak, and meet the Lowest Common Multiple (LCM).
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Two toran-makers using different strip lengths want equal torans.
A toran is a decorative hanging for a doorway. Anshu and Guna make torans by placing strips of cloth one next to another.
Anshu uses 6 cm strips. Guna uses 8 cm strips. They want to make torans of the same length. What is the shortest possible length?
Torans are made by joining strips of cloth end to end.
A toran is strips joined end to end, so its length is always a multiple of the strip length.
Lining up 6 cm and 8 cm strips to see where they first meet.
Problem. What is the shortest toran that Anshu (6 cm strips) and Guna (8 cm strips) can both make? (Textbook p. 55)
Free gajak every 7 days, visits every 10 days: when do they match?
Problem. A sweet shop gives free gajak (a sweet made from sesame seeds, jaggery and ghee) to school children on Mondays. Today is Monday and Kabamai got some. She visits the shop once every 10 days. After how many days will she next get free gajak? (Textbook pp. 55–56)
Find the first number where 'idli-vada' is called.
In the Grade 6 Idli-Vada game, 'idli' is 4 and 'vada' is 6. First 'idli-vada'?
LCM questions in everyday settings.
With 6 cm and 8 cm strips, what is the second-shortest toran both can make?