Saturday, November 24, 2007

Fun mathematics

I got a link from my friend Dutchalone in StumbleUpon to this video:

Make sure that you watch the whole video before using this technique because it has some initial conditions.

Of course I checked where this interesting technique came from. First of all I found out that there are more videos like this in Metacalfe in a channel named glad2teach.

More information can be found in Glad2teach website. There is a link to Faster Math Trick Videos which offers more examples and a change to buy the Complete EasyCal Series (Around 30 such faster Math trick videos)

According to the site:

These amazing tricks of faster Math have been taken from a 5000 year old book called Veda ( The ancient Hindu Scriptures ). If the name Veda sounds familiar to you, that is because it is the same book which gave to the world Yoga and Ayurveda.

The site suggest that after watching the videos you'll want to throw your calculator out of the window. I can imagine that happening. Too bad I still need the calculator for more complicated calculations. In my opinion calculators are used too much nowadays, at least in Finland.

You should also check dutchalone’s StumbleUpon page. According to his profile

I was dutchalone ..i cant change my name ..I am dutch but not alone anymore :-)For I have found my Love..Irja/mairem.stumbleupon.com.We both had given up hope in Love !!! Blessings and gratefullness to SU from us both :-)

Both ducthalone and mairem have the most wonderful pages. I could probably use a whole day just to watch those amazing pictures.

8 comments:

Tanny said...

I love this site, it has great tricks on it

Anonymous said...

Your a star Leena :-)

Anonymous said...

I LUV this math which proves you are never too old to learn or love math!

Leena, Thank you, Thank you! My 11 year old son will benefit greatly from these tricks and sites!

Adrienne Zurub
author
'Notes From the Mothership The Naked Invisibles' coming January 2008!
http://chasewunderlickpublishers.com.cn

Meghna said...

Hi Leena,
This was great. you're so much full of maths tricks. you're a great mathematician and I'm sure your students would be proud of you!

--xh-- said...

when i saw your post, the first thing that crossed my mind was 'hey, i hv seen this in vedic mathematics', and realised it is teh same :) long time back - 10 or 11 years- we used to read and discuss vedic mathematics :)

JohnCunningham said...

Leena,

I just showed my second grade son the magic of multiplying by nine. I felt his same excitement watching this. It is fantastic!

Integration by parts xe x said...

Its very interesting trick and such trick are very good in saving our time and very good for competitive examination.

tutor said...

【羽絨】有咩高質羽絨?究竟買邊件羽絨最好?
Dion Wong, 2 months ago 1 min read 129
封面圖片來源

資料引用/摘錄:Sundaymore,kknews,Elle

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Moncler羽絨
Moncler羽絨
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2. Perfect Moment


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Perfect Moment嘅羽絨就連英國凱特王妃都有著!
Perfect Moment嘅羽絨就連英國凱特王妃都有著!
第二,Perfect Moment係一個好出名嘅美國牌子,就連英國凱特王妃都有著呢件羽絨,佢哋主要售買滑雪衣服。羽絨外層既Toray Airtastic物料具防水透氣既物料,鵝絨同埋羽毛既比例系90:10,加埋羽絨有高領,可以保護我哋既頸部,極度保暖,而且仲仔時髦。不過,如果你淨係留喺香港,小編就唔係好建議大家買,因為香港嘅溫度冇咁低,小編驚你哋買咗,但係着唔到,相反,假如你成日都要去外國出trip,呢件羽絨就好適合你啦!

3. Aigle
圖片來源

Aigle既羽絨褸CP值非常高
Aigle既羽絨褸CP值非常高
第三,Aigle係一個休閒羽絨牌子,主要售買舒適既服裝,容易展示休閒嘅穿搭風格。Aigle既羽絨褸CP值非常高,內層搭配咗90/10既羽絨外套,讓你應付寒冷既冬天,而且,羽絨褸有防風裙腳,係可以拆出嚟,使用彈性十分高。羽絨褸嘅設計一啲都唔馬虎。羽絨有撞色設計,所以睇落去唔會覺得單調無趣,覺得沉悶,令你冇藉口唔鍾意呢件羽絨!



4.The North Face


圖片來源

The North Face經常與全球各地不同的時裝和街頭品牌一齊合作
The North Face經常與全球各地不同的時裝和街頭品牌一齊合作
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5. Columbia
圖片來源

Columbia羽絨
Columbia羽絨
最後,小編認為大部分香港人都應該知道呢個時髦運動品牌!一提起保暖衣物,大家必定會諗起Columbia既羽絨服。無可否定,大家對呢個品牌都會有足夠嘅信心,佢係「羽絨界」亦有所地位,深受各位歡迎。近呢幾年,大家都會對Ommi Heat熱能反射系列嘅羽絨衣心動,忍唔住手買咗返屋企。



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此文章純屬 Blogger 個人分享,並不代表本網誌立場。



*本文根據了Sundaymore,kknews,Elle既網頁



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