## Follow Your Passion in Math

April 18, 2018 Leave a comment

Grow your passion by motivating practice like the 11-year-old Math Marvel

“Chess is a mathematical poem” – *Aarushi Maheshwari *

Math and Logic Puzzles

April 18, 2018 Leave a comment

Grow your passion by motivating practice like the 11-year-old Math Marvel

“Chess is a mathematical poem” – *Aarushi Maheshwari *

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March 9, 2018 Leave a comment

- Notches (cuts or indentation) on animal bones prove that humans have been doing
**mathematics since around 30,000 BC**. - Ancient Greeks used little rocks to represent numbers. The name of
**Calculus**means**pebbles**in Greek. - The
**=**sign (“equals sign”) was invented by**16th Century**Welsh mathematician Robert Recorde, who was fed up with writing “is equal to” in his equations. - The word
**hundred**is derived from the word “hundrath”, which actually means**120**and not 100. **Zero**(0) is the only number which cannot be represented by**Roman numerals**.- Many Chinese hospitals do not have a 4th floor because the words
**four**in Japanese, Cantonese, Mandarin and Korean (shi, sei, si, sa) sound the same as the words in those languages for**death**. **Forty**is the only number with letters in alphabetical order, while**one**is the only one with letters in reverse order.- The number
**5**is pronounced as ‘**Ha**‘ in Thai language. 555 is also used by some as slang for ‘HaHaHa’. **Zero**is an**even**number. Mathematicians remember it. Many people take longer to decide whether it is even or odd.

January 1, 2018 Leave a comment

Aplusclcik team chose 17 Best Puzzles of 2017.

They are:

What country has the lowest birth rate in the World?

If certain words in this question are spelt wrong, how many of the eighteen words are spelt wrong?

A claustrophobic gentleman chooses his place in the train that will enter a tunnel just after the station. Where is the best place for him?

Read more at

December 8, 2017 Leave a comment

Alan Smith reported amazing statistics of adult numeracy:

2011 England Survey: **49 of 100** adults lacked of numeracy Level 1 skills (fractions, percentage, and decimals). *The figure is only shocking for 51% of population.*

OECD reported (PIAACX2012) that **forty percent** of USA young people aged 16-19 were below Level 2.

This is statistics. Statistics is a part of mathematics and it is about **us** as a group.

There are two categories of people who can and who cannot do numbers.

Are You in a category of people who are comfortable with numbers? Check / train yourself at the website A+Click

June 4, 2017 Leave a comment

“Love is like **π** – natural, irrational, and very important.” – Lisa Hoffman

Certain scientists think that love is a chemical state of mind and the formula for love is as follows:

dopamine + seratonin + oxytocin

C_{8}H_{11}NO_{2} + C_{10}H_{12}N_{2}O + C_{43}H_{66}N_{12}O_{12}S_{2}

How many atoms are there in the formula of love?

May 7, 2017 Leave a comment

Why we frequently use number 7?

Why there are seven days of week? seven deadly sins? seven wonders? . . . .

Look for the answer in the night sky or at aplusclick.org

March 4, 2017 Leave a comment

*Mary has a cat, and a rat, and a hat, and a mat.*

**If the cat is on the mat, and rat is in the hat, but the hat is on the mat, where is the rat?**

This is a simple puzzle asked by Leslie Green, who collects dozens challenging puzzles. The collection of Leslie Logic and Math Puzzles is presented at the website Aplusclick. It’s worth to try the challenging questions.