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My Book of Addition Paperback – 5 Mar 2009
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About the Author
Toru Kumon was a high school teacher in Japan who created the Kumon Method to help his son, Takeshi, improve his maths. Today, Kumon's step-by-step individualised approach to maths and reading has become the world's largest supplemental educational programme with a student population of over 4 million. --This text refers to an out of print or unavailable edition of this title.
Top customer reviews
For each level of addition, the beginning pages of the section have a number line at the bottom, so if my son wants to know what 9+4 is, he can find 9 and count four spaces on the line for his answer. After the number-line pages, there is a review section without a number line that checks to see if your child can do the addition independently. We NEVER do more than one page (two sides) per day. The problems are in two columns on each page, and written horizontal. This was confusing for my son, since his addition flashcards are vertical. I would have liked it if Kumon had both horizontal and vertical problems.
Make sure your child is VERY familiar with counting from 1-30 before you attempt any of the Kumon addition books. I recommend starting with My Book Of Numbers 1-30 (Kumon Workbooks) and then My Book Of Numbers 1-120 (Kumon Workbooks).
My son also like mixing it up with Spectrum Math, Grade K and School Zone books like Transition Math K-1.
Most helpful customer reviews on Amazon.com
I pair it with blocks and ask them to first count out the first number and then add the amount of blocks of the second number, then they count the total. This works pretty well for them.
For example: 8 + 1 = ?
First she counts 8 blocks out, then we add 1 more block and count the total to get 9.
I wish this book had lines because the girls have a lot of trouble making the numbers fit small enough the go next to the equal sign.
Yes, this book is lots of repetition, but this is exactly what he needs. I just had him do 1-2 pages a day right after school which does not really take long at all. His teacher was so impressed and said she wished all parents were pro-active as I try to be.
I plan to continue with the other Kumon series and have him working on subtraction right now as well as writing sentences. I am happy to have found these books as with no school during the summer he tends to forget things so this will be a great way to keep him on track!
These are some of my observations about my kid and math:
1) He can count to an arbitrarily number in sequence, say 30. BUT, I believe initially it was in a "song" form. That is to say, he didn't "get" the number sequence, but he could sing the song. I.e., if you asked him (I didn't try this) to start at the halfway point, he might falter / take a while to spin up the song.
2) The Kumon addition book actually teaches him the "number line" and breaks it down. E.g., it might have 1 through 10 at the bottom of each work sheet, and if you have "5 + 1", it will want you to have your kid point at the number five, move finger over one, and then that's your answer. While this seems very "duh," I think this truly taught him what the number line was.
3) I should add that before I did Kumon and tried to teach him "+1", I conceptualized "well what's the next number," which I thought should be obvious to him, since he could count to 30 easily. After doing Kumon, I then realized that it was primarily a song for him, and that the next number wasn't actually obvious. As such, the Kumon break down / use the number line to double check your work was HUGE in him GETTING it.
I don't know if any of this applies to you, but I whole heartedly recommend the Kumon system (at least the workbooks; the Kumon-proper-in-class-room is a different thing altogether).