Arithmetic for Parents: A Book for Grown-Ups About by Ron Aharoni

By Ron Aharoni

This ebook is the results of a distinct event: a learn mathematician educating in an effortless institution. It tells a couple of attention-grabbing discovery made by means of the writer — that trouble-free arithmetic has loads of intensity and sweetness, and that the key to its instructing is in realizing its deep points.

the 1st a part of the e-book discusses the character of arithmetic and its attractiveness. the second one half tells in regards to the educating rules the writer distilled from his event. The 3rd half is an day trip throughout the mathematics studied in basic tuition, followed by means of own tales, old anecdotes and educating feedback. The appendix relates the attention-grabbing tale of recent day politics of mathematical education.

The e-book used to be a bestseller in Israel, and has been translated into many languages. the intense mix of mathematical and didactic insights makes it a vital consultant for either lecturers and oldsters.

Readership: mom and dad whose little ones research user-friendly arithmetic, practioners who offer mathematical studying, and most of the people.

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Extra resources for Arithmetic for Parents: A Book for Grown-Ups About Children's Mathematics: Revised Edition

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Everybody can make forward steps if they are small enough. One only has to know how to break the problem into small steps, and how not to be in a rush. In the long run, going in small steps saves time, not wastes it. Divide and Conquer An error no less common than skipping stages is teaching two ideas (or more) at once. Ideas should be taught separately, even if they are not dependent on each other, and even if the order in which they are taught is immaterial. It is important to teach each stage individually.

The Arabs also adopted the way of writing digits from India. But the digits developed differently in different places. 5in b1900-part1 Arithmetic for Parents digits that evolved in Arabic Spain. The Arabs themselves, on the other hand, use the digits that evolved in the Middle East. The Story of King Krishna May the God of History forgive me, but when I teach the decimal system in the second or third grade I tell a story of a king, named Krishna (in honor of the Indians), who loved gold more than anything else.

I asked: How old would he be when his brother was 20 years old? And how old his brother would be when he was 100 years old? And when he was a 1000 years old? Some of the children followed me through to the high numbers — in almost every first-grade class there are students who can calculate in the hundreds, even complicated calculations like 1000 − 3. Of course, they were very amused by the thought of what would happen to them in a hundred or a thousand years. The final part of the lesson was dedicated to personal experimentation.

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