Make a paper sundial that is accurate enough to measure both hours and minutes. Also check how local latitude affects your measurement very significantly.

When will you see what phase of moon? Would you be able to see first quarter in the early morning sky? Would you be able to see third crescent in the western sky?

Time is precious and so is money, we are told. In this book "Happy Maths - 4", written by Mala Kumar and illustrated by Angie and Upesh, we spend some time learning about time and money.

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