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The international New Math developments between about 1950 through 1980, are regarded by many mathematics educators and education historians as the most historically important development in curricula of the twentieth century. It attracted the attention of local and international politicians, of teachers, and of parents, and influenced the teaching and learning of mathematics at all levels¿kindergarten to college graduate¿in many nations. Afte...

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Tenth Book - Champaign No Pain Ten books, can you imagine! For me, it's more than a dream who becomes reality. I feel happy with this accomplishment and I certainly hope that you, my faithful readers, will also enjoy this newest book. In my opinion, every book is getting better, every time again. I can say, that no changes have been made to the arrangements of the poems, they are still written in my own familiar style. As always some new idea...

After writing and publishing 5 books in the last 5 years, not mentioning the writing of previous 4 ones over several decades, one starts to believe that it's going well. In fact, it's certainly not that I need to complain, even though I must admit for this ninth book, ideas didn't pop-up just like it was happening before. However, this writing is in my blood and almost every day pieces have been submitted to my papers lying on my desk. Going o...

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As I had mentioned before in my sixth book, I had already started my number 7. Writing becomes quite a habit, which I like very much of course. This seventh book feels rather fresh, many new ideas came up in my head. The poems are generally on handling lots of stuff. It's not particularly soft like the fifth book, Never Give Up. On the other hand, it's not as fierce and heavy as number 6, Stay Strong, was. It's a unique collection of many repe...

I cant believe it myself, but this book, Stay Strong, is already the sixth one that I wrote. Also, this time, its a combination of fifty poems in English, plus one in French at the end of the book. I guess I have to face it, I cant stop now. So keep on writing is the message. Ill go forward to the next book, which will be the seventh one, of course. Dont worry, Ive already started on that seventh book. I have the feeling that the poems in Stay...

Ive always thought that Hold On would be my last book. Certainly after a vicious attack in 2008 that destroyed my life for many years. The writing was difficult, I couldnt concentrate, didnt do much writing for several years, due to these injuries and the struggle with my health. So I started to publish my writings in small and cheap little poetry books and that was the positive side of it. After more than 7 years the doctor finally found a go...

Linear or proportional relationships are a major topic in mathematics education. However, recent research has shown that secondary school students have a strong tendency to apply the linear model also in situations wherein it is not applicable. This overgeneralization of linearity is sometimes referred to as the "illusion of linearity" and has a strong negative impact on students’ reasoning and problem solving skills. "The Illusion of Linearit...

Linear or proportional relationships are a major topic in mathematics education. However, recent research has shown that secondary school students have a strong tendency to apply the linear model also in situations wherein it is not applicable. This overgeneralization of linearity is sometimes referred to as the "illusion of linearity" and has a strong negative impact on students’ reasoning and problem solving skills. "The Illusion of Linearit...

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