Showing posts with label Sudoku. Show all posts
Showing posts with label Sudoku. Show all posts

Sunday, January 1, 2012

Benefits of Sudoku Puzzles For Kids

Benefits of Sudoku Puzzles For Kids

It has long been acknowledged that mind puzzles and games are great for children, and Sudoku for kids is no different.

Kids sudoku puzzles are a great activity for children of all ages. Not only does sudoku encourage the use of logic and problem solving skills, it also develops brain power and introduces basic math skills to children of a very young age. The focus required by children to solve mental puzzles such as sudoku contributes to the development of children's concentration, patience and attention span. Kids also gain great satisfaction from completing a puzzle on their own, which can lead to greater confidence in their mathematical and educational pursuits (which, of course, means an easier and more enjoyable time at school).

Sudoku IS suitable for kids of all ages. However, it is important that children are only given puzzles that are suitable for their own age or level. Kids quickly become frustrated and discouraged if puzzles are too hard. The majority of sudoku puzzles which appear in magazines and newspapers (even the easiest of them) are too difficult for kids. Puzzles specifically designed with children in mind are available readily on the internet. Puzzles such as these are often smaller in size (the smallest being 4 x 4), and contain more clues than an ordinary sudoku puzzle would (regular sudoku puzzles may contain as few as 30-35 clues in a 9 x 9 puzzle, where as sudoku puzzles for kids should contain approximately 50-55 clues per 9 x 9 puzzle). Puzzles constructed with increasing levels of difficulty are perfect as they allow each child to develop in his or her own time. Children can begin with easy kids sudoku (4 x 4) and progress through to the harder puzzles at their own pace. Sudoku puzzles really are suitable for children of all academic abilities.

Sudoku puzzles are great for use with children either at home or in the classroom. The uses are truly only limited by your imagination. Use as a time-filling activity, a fun weekend homework exercise, a part of everyday classroom routine, a bonding activity between children and parents or grandparents or as boredom buster for children on long road trips or flights. However you choose to use printable kids sudoku puzzles, you can be sure kids will become interested and willingly involved in their education. Sudoku puzzles may even convince children that learning can be fun and enjoyable.

And, best of all, kids LOVE sudoku! In this day and age of technology, introducing kids to sudoku may even encourage children to spend recreational time away from the digital devices, such as the TV, video games and computers, that they love so much. Instead you may find them indulging in a fun, yet productive and educational, past-time.

Available on the internet is numerous resources which provide sudoku for kids. Print off as many as required at one time or print off the whole lot to have literally hours of fun, educational activities for your children or students.

Benefits of Sudoku Puzzles For Kids

Free Printable Sudoku Puzzles - The Hottest Craze Since The Rubik's Cube

Free Printable Sudoku Puzzles - The Hottest Craze Since The Rubik's Cube

"Do you Sudoku yet?" Most people have heard of these puzzles since they are the "hottest thing to hit North America since the Rubik's cube - and they're just as addictive!" They were first published in newspapers, but now can be found in 'book' form as well as online. Many sites now offer free printable Sudoku puzzles and solutions. There are several sites from which to choose and the puzzle difficulty ranges are "Easy, Medium or Hard". There are free printable Sudoku puzzles for children as well as adults.

What is Sudoku? It is a logical kind of Japanese puzzle. The rules of this mathematical game are simple. The object of the game is to place a digit from 1 to 9 in each empty cell so that every column, every row, and every 3x3 box contains the digits 1 to 9 (without repeating). Obviously, you start out with some of the cells already completed. There is only one solution for each puzzle.

If the 'regular' Sudoku puzzle isn't challenging enough for you, Giant Sudoku or Big Sudoku might be of interest.

If you prefer working with letters rather than numbers, Giant Sudoku might be a good version of this game for you. The object of the game is to fill each empty cell so that each row, each column, and every 5x5 box contains the letters A-Y.

Now, if you like working with numbers and letters, then Big Sudoku is your game! The object of this version of Sudoku is to fill each empty cell so that every column, every row and every 4x4 box contains the digits 0-9 and the letters A-F. There are free printable Sudoku puzzles available for both Big Sudoku and Giant Sudoku.

If you crave something extremely challenging, then Magic Sudoku might be for you. It is a variation of the original Sudoku. There are some new rules/restrictions in this version of Sudoku. Just as in the original Sudoku, the cells contain the numbers 1 to 9 without repetition. However, with Magic Sudoku, this concept applies to the diagonal instead of top to bottom and across. Each "Quadrant" has only a number. Also, each game has special rows that are colored. The value of the numbers in these cells is lower or equal "as the number of colored cells in every quadrant".

There are also free printable Sudoku puzzles available for children. These Sudoku puzzles have at least two levels. Level One puzzles require that a number between 1 and 4 be placed in each empty cell so that every row, every column and every 2x2 box contains all of the numbers from 1 to 4. For the Level Two puzzles, the numbers 1 to 6 are placed in each empty cell so that every row, every column and every 2x3 box contains all of the numbers from 1 to 6.

Some of the online sites will send free printable Sudoku puzzles daily or weekly via e-mail. The site may ask simply for your e-mail address or they may ask also for your name, country and the number of puzzles you would like sent to your e-mail address.

There are literally thousands of free printable Sudoku puzzles available online. Just put the keyword "free printable Sudoku puzzles" into your search engine and watch the results come back. Then, have fun printing and playing!

Free Printable Sudoku Puzzles - The Hottest Craze Since The Rubik's Cube

Monday, October 17, 2011

Solving Sudoku Puzzles - A Technical Approach

Numerous players of the Sudoku find this puzzle game very hard to work out. Nonetheless, because of the ingenious minds of most players, they've produced methods, schemes and answers to make the game less complicated.

The following are some of those solutions that the players have arrived at, in working out any level of Sudoku puzzle.

Puzzles

1. Scanning

This solution is accomplished at the beginning and all throughout the game. Scans should be executed as many times in the midst of analyzing the puzzle. There are in reality two common formulas required in scanning which are:-

a) Cross-hatching
This is scanning of rows and columns to recognize which line carries a numbers that should be moved out. The procedure is duplicated in rows and columns. For a precise outcome, the numbers should be glanced over based on their frequency. It's also essential to execute this method in order to ascertain all the 1 to 9 numbers.

b) Counting
This method is executed to recognize what are the nonexistent numbers are. In order to deliver an accelerated outcome, counting should be performed based on the last number uncovered. While the scanning is executed, advanced players will usually, at this point of stage, looking for solutions. They accomplish it by nailing down the position of each number in a row or column.

Most difficult puzzle games have a lot of possibilities that need to be identified. These solutions could comprise in many directions or intersections. The puzzles that require only the solution for scanning in order to be figured out are categorized as the easy puzzles. Contrariwise, hard puzzles may also be figured out by applying scanning but even so, it involves the trial and error of possibilities.

2. Marking Up

Scanning is commonly ceased once there are no numbers that can be discovered. From this, it's crucial to exercise some orderly analytical thinking. Most players feel it is accommodating to conduct the analysis by labeling up the potential numbers in the empty boxes. There are two notable notations in marking up, they are:

a) Subscript
The potential numbers are written down in subscript in the box. The drawback to this is that Sudoku puzzles lined up in newspapers or magazines are commonly too small to carry the subscripts. Hence, it is suggested that if you're planning to exercise this notation, you should construct a larger copy of the puzzle or use a finely pointed pencil.

b) Dots
The reward of this is that it can be applied on original puzzles. When utilizing the notation, in most cases, you're required to possess great dexterity in order to assign the dots. Misplaced or unintentional dots may direct the player to disarray and confusion. The last thing in a players' mind is to confuse yourself after applying thorough strategies to get the right numbers.

3. Analyzing

The following are the two common techniques in analyzing:

a) Removal
This is the formula of removing potential numbers from one box or more to have only one remaining alternative. After obtaining each solution, it would be effective to execute a different scan. This is made to know the effect of the last number placed in. There are numerous removal tactics. The typically practiced among these strategies is the unmatched candidate removal. Boxes with similar sets of potential numbers are a match if the number of the possible numbers is equal to the numbers of boxes having them.

b) What if
In this procedure, a box carrying only two possible numbers is selected and an estimation is made out. The steps already brought up are duplicated except if a same number is discovered in the similar box. If duplication occurs, the remaining alternative candidate number is the answer. In logical expressions, this is what called as the reduction ad absurdum. This form of technique demands a pencil and an eraser. Analytical perfectionist may frown on this approach because of its many trial and error processes. Nevertheless, this procedure can draw out results quicker.

It's not essential to mix methods in order to work out the Sudoku. This approach however, may rule out the disadvantages of the above solutions, which for most players can be very boring. The calculation of the rows and columns can pretty much bore the most veteran Sudoku players. Getting down the potential numbers in an empty box can also waste additional time. Furthermore, the what-if technique can be really confusing unless the players have the knowledge and experience to orchestrate a solution in a systematic manner.

The safest answer for figuring out the Sudoku is to explore for formulas that don't involve a lot of calculations, marking off and analyzing.

Solving Sudoku Puzzles - A Technical Approach

John Teh joins with every single Sudoku enthusiasts in providing a source of supply of printable sudoku puzzles to satisfy what everybody might call the hottest trend in today's puzzle solving industry. To receive your free printable sudoku puzzles, visit his Sudoku Puzzle website.

Friday, October 14, 2011

The Benefits of Sudoku Puzzles

Just like the body needs exercise, the mind too will also need some exercise, considering that if it is to stay sharp at all. The mental fitness can only be achieved through engaging in activities that are aimed at increasing your mental activity, and they involve activities such as reading, solving of riddles and crossword puzzles. Sudoku puzzles also form part of this list. You ought to know that all these mental activities are aimed at ensuring that the mind is kept healthy through figuring out of the puzzle.

The grid which forms this puzzle contains eighty one boxes which are arranged in a nine by nine fashion of boxes, which are further divided into three by three sections. While most of these boxes are empty, others will contain some numbers which act as clues. Since figuring out the puzzle is some form of real mental work, as the exercise involves filling out the remaining boxes with digits one to nine without repeating any of them, it may either lead you to quit or become a complete Sudoku addict. That is the power of Sudoku puzzles.

Puzzles

Researchers have recommended Sudoku puzzles as a form through which most of us can keep our mental sharpness at its peak, considering that they have proven just ten to eighteen hours a day of mental exercise is enough to boost mental sharpness levels to top levels. Even for the aged septuagenarians, this form of mental activity has been known to keep them alert and as a result it has to some extent been said to add some form of value to their aging lives. Bearing in mind that there are also some diseases that are said to be mentally borne.

It is important to note that as much as mental activity is as a result of some exercise, it is as well important to ensure that you familiarize yourself with some foods which are used to enhance the process. For instance proteins have been touted as some of the foods which contain some minerals which go a long way in ensuring that they provide the necessary nutrients that are essential for making the whole process a success. Therefore get to indulge in quite a number of these activities and you will not only record a sharp mind, but you will also get to live a healthy life.

The Benefits of Sudoku Puzzles

Sudoku puzzles are a sure way through which someone can exercise mental activity. Through filling of Sudoku puzzles, one is able to have an engaged mind which increases sharpness as well.

Monday, October 10, 2011

How To Play 16x16 Sudoku Puzzles

Through the years, Sudoku has become so popular a game that many variants have sprung from its original 9x9 grid puzzle. From the classic 9x9 grid puzzle, the 16x16 Sudoku puzzle was inspired. This made playing Sudoku more challenging for those who take time to complete it. Although both the 16x16 and 9x9 Sudoku puzzles have game rules that are quite identical to each other, we can still find little differences between them. Let us take a closer look at the ways on how to play this particular Sudoku puzzle variant and how it differs from the classic 9x9 grid Sudoku puzzle.

In terms of rules, there is not much difference between the classic 9x9 Sudoku puzzle and the 16x16 grid puzzle. You still have to see to it that no number should appear more than once on every row, column, and sub-square. Thus, in a 16x16 puzzle, the numbers 1 to 16 should be written and placed only once on each of those said places.

Puzzles

As you may have already noticed by now, the main difference between the two is their grid sizes. The 16x16 grid puzzle has, obviously, a larger grid size compared to the classic 9x9 Sudoku grid. Because of this, completing a 16x16 puzzle may take a longer period of time than when you try to complete the 9x9 one. The larger the grid size, the more numbers you will have to place into their corresponding blank boxes.

Although completing a 16x16 grid puzzle may be slightly harder than the 9x9 puzzle, you can still be able to successfully complete it with the right strategies and, of course, by using logic. You must also keep in mind that what makes a Sudoku puzzle hard to complete is its difficulty level, which depends on how the prearranged numbers are being placed and not by the size of its grid. This puzzle game is not a guessing game, and the only way to get the right answers to this puzzle is by getting your brain work by exercising your logical skills.

It is also very important to be thorough both in answering and checking whether you have placed the right numbers to those empty boxes. In addition to that, try your best to keep your focus and watch out for those repeated numbers. Do not forget to check every corner of that puzzle. Check and double-check every row, every column, and every sub-square on that 16x16 grid. Making sure that you have placed the right numbers into the right boxes by double-checking really pays off in the end.

This particular Sudoku variant can be found in the internet or printed on Sudoku pads. Whichever form you would want, just remember those basic Sudoku rules and guidelines and play the game with logic and patience because you can never successfully complete a Sudoku puzzle without them. With these at hand, you will surely be able to successfully complete it. You should not miss trying to complete the 16x16 Sudoku puzzle for it can give you the mental stimulation and challenge that you so badly need.

How To Play 16x16 Sudoku Puzzles

Gary Spero is the chief editor of Sudoku Tips. As well as being a Sudoku enthusiast he is also interested in self improvement and psychology. To get more information and resources on solving 16x16 Sudoku visit his website to sign up for his free 21 day Sudoku Tips Revealed mini-course.