The 1 to 9 game, being a two player game, is just perfect for the home environment. The game's page shows how to vary the rules to make it suitable for any age group.

 

This Addition Trick seemed like magic when my uncle first showed it to me. I was 11 years old, I think. Here I explain the trick so you can amaze the 11-year-olds in your life.

 

This is one of two math tricks on this site that let you guess someone's birthday after a sequence of mathematical operations.

 

The Arithmetic Math Game is a game where players roll special dice and do arithmetic based on the results, hoping to reach a specific number goal. It is most suitable for grades four or five, but you can modify the rules to make it easier or harder.

 

Another game where a calculator might help and not hinder is the Make Numbers Arithmetic Game, where the child must generate as many numbers as possible using only the four given digits, and the basic operations of addition, subtraction, division and multiplication.

 

Mathteroids is an Asteroid Shooting Game that will help kids with their times tables. As your rocket zips through space, you must be careful to only shoot multiples of the given number - or face dire consequences!

 

If your kid need fractions practice, teach them the Fractions Card Game, and watch them drill each other in addition and subtraction of fractions. Or play it with them yourself!

 

In This Challenging Math Puzzle you have to place the numbers one through eight in a grid, such that no two neighboring squares have consecutive numbers. It's possible to solve, but it can be quite tough. I've seen 4th graders baffle away for weeks at this puzzle, but its 5th grade and 6th grade kids who seem to have a more realistic chance to solve it. Enjoy!

 

This Checkerboard (or Chessboard) Jigsaw Puzzle will be a great challenge for your primary school kids. Watch them try and try to arrange the pieces until they succeed!

 

In a Cryptarithm puzzle, each digit of an arithmetic sum has been replaced with a letter of the alphabet. The aim of the puzzle is to restore the original sum. These puzzles are sometimes called alphametics or crypt-arithmetics. You can get many more such puzzles from the resources available at www.cryptarithmania.com.

 

The Easter Date Worksheets allow a child to compute the date of Easter Sunday in any year at all, with no math more complex than long division. Alternatively, try younger kids on the simpler versions of the worksheets - fewer calculations, smaller numbers, but they only work in certain centuries.

 

This free "fours" contestclosed on the 20th of October, 2009. The idea was to make as many numbers as possible using the digit '4' (as many times as you like) and the operations plus, minus, divide and times. Soon I'll upload the contest results, and ideas for how you can run a contest like this one in your own classroom.

 

The six different Fractions Quizzes on this site are like an online version of Flashcard Stepping Stones. Choose your fractions topic, then choose which of 3 characters (a pegasus, a clownfish or a rocket) you will help! Then, answer a series of fractions questions until you reach the goal. The further they progress, the more challenging the questions become!

 

Fizz Buzz is a well-known game. It gives practice identifying multiples of 5 and 7. It's a great math game for kids, and a hilarious ice-breaker for adults too! At the web page you'll find a "fizz-buzziness calculator" that will determine what a player should say for any given number.

 

This Fraction Simplifying Puzzle challenges kids to simplify a collection of fractions and observe which ones can and can not be simplified. There are variants of the puzzle that make it suitable for kids just learning fractions, all the way up to lower high school.

 

If you need free printable worksheets to give fractions practice to kids, you need to check out my page on Fractions Worksheets. There are over 4000 fractions questions in 350 worksheets on 7 different fractions topics - fraction addition, fraction subtraction, fraction division, fraction multiplication, simplifying fractions, equivalent fractions and common denominators

 

MathGolf is another game where calculators might be handy. Players choose how far they can hit with their iron and wood clubs, then see what they scored for the course. As the tips for parents and teachers explains, the kids will get the most out of it if they plan their strategy first, away from the computer. You might let them use a calculator for the planning bit.

 

In this puzzle, the goal is to cut a Heart-Shaped Biscuit into three pieces, so that each piece contains only one color of sprinkles. The cuts will be very twisty and wiggly, but that's fine for this puzzle. Because of the shape of the biscuit, this puzzle is perfect for around Valentine's Day, but it can also be used at any other time of the year.

 

Print these Magic Number Cards, learn how to use them, and with a bit of practice you'll be able to amaze your friends with your number guessing skills! This page provides the traditional version of this trick, as well as a few variations of my own invention. Full instructions and a video example are available at the web page.

 

Try the Magic Square Puzzle Worksheets on this site. Almost 40 magic square puzzles to try, as well as ideas for how to use it in a classroom. Good for grade 3 and up.

 

In the Magical Calculator Birthday Math Trick and the "Threes" Math Trick, a kid can appear as a math whiz to his or her friends, by discerning their birthday from the result of a sequence of mathematical operations.

 

Mastermind is a classic game of logical deduction. The first player selects a secret code. The second player tries to guess that code. After each guess, the first player gives clues about how well the second player did - how many digits (or pegs or marbles) in the code are correct, and how many are the right color but the wrong place. In this online version of mastermind, you can pit your wits against the task of finding the computer's secret code, or select your own secret code, and challenge the computer to guess it.

 

In the Math Architect Online Game the goal is to design an apartment with the given area. The catch? Each room is a square, and you must have as few rooms as possible! This makes the game challenging enough to keep kids occupied, and deep enough to keep them learning as they play. There is also a high scores table showing the best players each month, year and for all time.

 

This Math Board Game will ensure that your children get a lot of arithmetic practice, as they move their pieces from the center of the board to the goals at the corners.

 

This Math Card Game will make your kids actually like practicing their sums!

 

Math Frozen Bubble is an online interactive bubble buster game that also helps kids practice their arithmetic. Good for grade 4 and up.

 

Or play a game of Math Hangman? "Three strikes and you're out" is the rule as kids try to guess the hidden math word or sum! Good for almost any grade level!

 

Try your 2nd graders to 7th graders on the Pizza Cutting Puzzle! This puzzle can be made as easy or as hard as you like, so you can tune it for any age group.

 

Want to play sudoku online? You can at this page. The page also has links to some printable sudoku for kids, and a sudoku solver. If you're a sudoku fan, make sure you visit this page and try out the puzzles it provides. Puzzles can be symmetric, and there are five difficulty levels.

 

This Power Puzzle is an exercise to get kids exploring numbers with their calculator, and observe patterns in the numbers they explore.

 

This Weekly Puzzle Google Gadget will show you a new math puzzle every week. If you don't want to visit the web page each week, you can put the gadget on your own web page, or on your personalized google start page.

 

Sliding Block Puzzles are a very broad group of puzzles. This pages explores some simple ones, with questions about what makes a certain puzzle solvable. There's also a java applet allowing people to play with the puzzles mentione don the page.

 

Is your child artistically inclined? Try him or her on this Spirograph Applet. As they enjoy themselves making swirly whirly designs, they are actually picking up some math too.

 

Squink is a Brain Puzzle where players have to find the squares in a pattern on a grid, and count how many squares surround each location. There are two ways to play - you can count the squares in the pattern shown, or you can find a pattern to produce the counts shown. You can also design patterns of squares and share them with your friends!

 

Why not try the Traffic Jam Game (or the Online Version)? It's a collection of logic puzzles, ranging from simple to challenging. The brightly-colored playing pieces and simple rules will capture your kid's hearts.