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Carrying Cards
These sixteen children are standing in four lines of four, one behind the other. They are each holding a card with a number on it. Can you work out the missing numbers?
Wallpaper
These pieces of wallpaper need to be ordered from smallest to largest. Can you find a way to do it?
Developing Logical Thinking: The Place of Strategy Games
This article outlines how strategy games can help children develop logical thinking, using examples from the NRICH website.
Special Numbers
My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?
Mystic Rose
Use the animation to help you work out how many lines are needed to draw mystic roses of different sizes.
The Number Jumbler
The Number Jumbler can always work out your chosen symbol. Can you work out how?
Three Dice
Investigate the sum of the numbers on the top and bottom faces of a line of three dice. What do you notice?