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Consecutive Numbers

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

Roll These Dice

Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?

Maze 100

Can you go through this maze so that the numbers you pass add to exactly 100?

Poly Plug Rectangles

Age 5 to 14 Challenge Level:
You can see some videos of children working on this task in our Early Years Children's Thinking section.  

We thought you might also like to see these sketches, drawn by a member of the NRICH team as he was working on a new interactivity for this task:


What might he be thinking? 

If you would like to get in touch with us about how you approached this task, please email