We think this 3x3 version of the game is often harder than the 5x5 version. Do you agree? If so, why do you think that might be?

There are nasty versions of this dice game but we'll start with the nice ones...

Dicey Operations for an adult and child. Can you get close to 1000 than your partner?

Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your opponent.

Here is a chance to play a version of the classic Countdown Game.

This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?

Four Go game for an adult and child. Will you be the first to have four numbers in a row on the number line?

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

In this game, you can add, subtract, multiply or divide the numbers on the dice. Which will you do so that you get to the end of the number line first?

First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

A game to be played against the computer, or in groups. Pick a 7-digit number. A random digit is generated. What must you subract to remove the digit from your number? the first to zero wins.

A game for 2 or more people. Starting with 100, subratct a number from 1 to 9 from the total. You score for making an odd number, a number ending in 0 or a multiple of 6.

Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.

Totality game for an adult and child. Be the first to reach your agreed total.

An interactive game to be played on your own or with friends. Imagine you are having a party. Each person takes it in turns to stand behind the chair where they will get the most chocolate.

You'll need to know your number properties to win a game of Statement Snap...

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

An interactive game for 1 person. You are given a rectangle with 50 squares on it. Roll the dice to get a percentage between 2 and 100. How many squares is this? Keep going until you get 100. . . .

A game for 2 players. Draw a daisy with at least 5 petals. Shade 1 or 2 petals next to each other. The winner shades the last petal.

Dotty Six game for an adult and child. Will you be the first to have three sixes in a straight line?

Got It game for an adult and child. How can you play so that you know you will always win?

Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.

Strike it Out game for an adult and child. Can you stop your partner from being able to go?

Train game for an adult and child. Who will be the first to make the train?

Everthing you have always wanted to do with dominoes! Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills.

Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?

A game in which players take it in turns to choose a number. Can you block your opponent?

Can you work out how to win this game of Nim? Does it matter if you go first or second?

Factors and Multiples game for an adult and child. How can you make sure you win this game?

Play this game and see if you can figure out the computer's chosen number.

A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.

An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

All you need for this game is a pack of cards. While you play the game, think about strategies that will increase your chances of winning.