A Decorative Bowl – Perhaps you have an old wooden or china bowl about the house that you can use as a basis for your papier mache design. Lay a piece of cardboard flat on to the table to be used as a working surface and put the bowl, face downwards, on this. Cover the whole of the outside surface …

A Cherry Wood Pipe – Since the pastime of smoking was first brought to this country by Sir Walter Raeigh, cherry wood pipes have been in much use for enjoying the pleasure of tobacco. Nowadays they are very expensive to buy and if you are considering giving your father or uncle a present, why not make him one of these …

A Canadian Log Hut – The diagram shows quite an attractive little log hut that is a model of the type of shack that houses lumbermen in the frozen north of Canada. This hut can be built of match sticks, cut to shape and gummed into position on crossbars of matches, using old postcards cut to the shape shown in …

हिमाचल प्रदेश के पंजाब सीमावर्ती क्षेत्र से सटा हुआ ऊना एक ऐतिहासिक जिला है जहां अनेक महत्वपूर्ण धार्मिक स्थल हैं। जिला मुख्यालय से मात्र दो कि.मी. की दूरी पर स्थित गांव कोटला कलां में स्थापित श्री राधा कृष्ण मंदिर आश्रम में राष्ट्रीय संत बाबा बाल जी के सान्निध्य में हर वर्ष फरवरी में एक विशाल धार्मिक सम्मेलन का आयोजन किया …

[1] Tell the missing digit [Step 1] : Choose a large number of six or seven digits. [Step 2] : Take the sum of digits. [Step 3] : Subtract sum of digits from any number chosen. [Step 4] : Mix up the digits of resulting number. [Step 5] : Add 25 to it. [Step 6] : Cross out any one …

[1]  Getting a three-digit integer written twice Consider any three-digit integer. Multiply it by 11, and the overall answer by 91. Now, the result is the original integer written twice. Example [I] Suppose today your friend is 12 years old and he was born in 1976. [Step 1] : Consider the three-digit integer, say:    456 [Step 2] : Multiplying this …

[1] The age from phone number To tell the age of anyone, ask him to write down last four digits of a telephone number. Suppose the four digits are 8231. Let him conceive a new four digit number by placing the above digits in a new order, say 2318. Now, subtract the smaller number from the bigger one. In this …

[1] The sum of a square of three numbers in a calendar Ask your friend to choose three successive dates from a calender. Let him do so in a column starting with the lowest number. You can tell the sum of 9 digits of the square so formed. How? Ask your friend the least number he had thought of. Add …

How do mathematicians communicate? What is a googol? What is a prime number? How does algebra differ from arithmetic? What is plane geometry? What is polygon? What are quadrilaterals? What is a circle? What is solid geometry? How do mathematicians communicate? You would miss much of the enjoyment of traveling through any new land unless you knew enough of the …