The Wizard’s Three clocks – Russian Math Olympiad. Asked Where ? :A typical challenging question once asked in one of the Russian Math Olympiads, meant for Grade-5 and Grade-6. Give it a try !!After you are done ,take the “Reader’s Challenge“ The Problem :Once there was a wizard named Symonds. He owns three ancient clocks …
How to convert non-terminating and repeating decimals to fractions Noteworthy Notes:1) All non-terminating and non-repeating decimals are Irrational numbers.2) All non-terminating and repeating decimals are Rational numbers.Non-terminating and repeating decimals are also called recurring decimals. Sometimes these are expressed by a line over the repeating digits.For examples :2.7777…… = 2.71.05693693693693….. = 1.05693Students sometimes find very …
The Magic Square – Global Math Olympiad. Asked Where ? : A typical question once asked in one of the Singapore Math Olympiads, meant for Grade-4 and Grade-5, but it can challenge an expert and grown-up Mathematician too. Please give it a try !! If you think it’s too easy, take the “Reader’s Challenge” The …
The Staircase problem – Global Math Olympiad. Asked Where ? : A typical question from Primary level South East Asian Olympiads. The Problem : We have a 10 step staircase. One can climb up 1,2, or 3 stairs at a time. How many ways are there to climb up the stairs ? The Solution : …
Why Singapore Math Olympiads ? Part-2 Figure out the answers to the following two questions. I) What is the next number in the series ?46,44,42,40,38, ____ II) Few persons are sitting around a circular table. If the 3rd person is sitting exactly opposite to the 9th person, how many total persons are there ? Let …
Why Singapore Math Olympiads ? Part-1 Figure out the answers to the following two questions. I) Which of the following is/are true about positive integers? A) even x even = evenB) even x odd = even C) odd x odd = even D) even+odd = evenE) odd+odd = even II) If ‘n’ in the following …