1 out of 3
Sequences of multiples keep cropping up...
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Here is a chance to play a fractions version of the classic Countdown Game.
1 out of 3
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
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The number in the square is the mean of the four numbers surrounding it. Can you find the missing numbers?
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Construct two equilateral triangles on a straight line. There are two lengths that look the same - can you prove it?
2 out of 3
How did the the rotation robot make these patterns?
2 out of 3
Using the digits 1 to 9, the number 4396 can be written as the product of two numbers. Can you find the factors?
2 out of 3
How many winning lines can you make in a three-dimensional version of noughts and crosses?
2 out of 3
The clues for this Sudoku are the product of the numbers in adjacent squares.
2 out of 3
In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?
