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Delight your friends with this cunning trick! Can you explain how it works?

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

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Can you explain the strategy for winning this game with any target?

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

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Do you notice anything about the solutions when you add and/or subtract consecutive negative numbers?

Find out about Magic Squares in this article written for students. Why are they magic?!

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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.

This article explains how to make your own magic square to mark a special occasion with the special date of your choice on the top line.

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A game for 2 players. Practises subtraction or other maths operations knowledge.

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How many ways can you find to put in operation signs (+ - x Ã·) to make 100?

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Ann thought of 5 numbers and told Bob all the sums that could be made by adding the numbers in pairs. The list of sums is 6, 7, 8, 8, 9, 9, 10,10, 11, 12. Help Bob to find out which numbers Ann was. . . .

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In a square in which the houses are evenly spaced, numbers 3 and 10 are opposite each other. What is the smallest and what is the largest possible number of houses in the square?

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Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?

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Make your own double-sided magic square. But can you complete both sides once you've made the pieces?

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Can you find six numbers to go in the Daisy from which you can make all the numbers from 1 to a number bigger than 25?

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A cinema has 100 seats. Show how it is possible to sell exactly 100 tickets and take exactly Â£100 if the prices are Â£10 for adults, 50p for pensioners and 10p for children.

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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?

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

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Exactly 195 digits have been used to number the pages in a book. How many pages does the book have?

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

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A game for 2 or more players with a pack of cards. Practise your skills of addition, subtraction, multiplication and division to hit the target score.

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If you take a three by three square on a 1-10 addition square and multiply the diagonally opposite numbers together, what is the difference between these products. Why?

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Different combinations of the weights available allow you to make different totals. Which totals can you make?

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Try entering different sets of numbers in the number pyramids. How does the total at the top change?

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This Sudoku requires you to do some working backwards before working forwards.

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

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What do the digits in the number fifteen add up to? How many other numbers have digits with the same total but no zeros?

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Look carefully at the numbers. What do you notice? Can you make another square using the numbers 1 to 16, that displays the same properties?

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Zumf makes spectacles for the residents of the planet Zargon, who have either 3 eyes or 4 eyes. How many lenses will Zumf need to make all the different orders for 9 families?

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Fill in the missing numbers so that adding each pair of corner numbers gives you the number between them (in the box).

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A game for 2 people using a pack of cards Turn over 2 cards and try to make an odd number or a multiple of 3.

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This task, written for the National Young Mathematicians' Award 2016, involves open-topped boxes made with interlocking cubes. Explore the number of units of paint that are needed to cover the boxes. . . .

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This magic square has operations written in it, to make it into a maze. Start wherever you like, go through every cell and go out a total of 15!

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Can you put plus signs in so this is true? 1 2 3 4 5 6 7 8 9 = 99 How many ways can you do it?

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A game for 2 people. Use your skills of addition, subtraction, multiplication and division to blast the asteroids.

This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.

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Surprise your friends with this magic square trick.

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An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

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How could you put eight beanbags in the hoops so that there are four in the blue hoop, five in the red and six in the yellow? Can you find all the ways of doing this?

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Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?

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You have 5 darts and your target score is 44. How many different ways could you score 44?

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Using the statements, can you work out how many of each type of rabbit there are in these pens?

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This task, written for the National Young Mathematicians' Award 2016, invites you to explore the different combinations of scores that you might get on these dart boards.

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Have a go at this game which involves throwing two dice and adding their totals. Where should you place your counters to be more likely to win?

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This Sudoku, based on differences. Using the one clue number can you find the solution?