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Square numbers can be represented as the sum of consecutive odd numbers. What is the sum of 1 + 3 + ..... + 149 + 151 + 153?

When is it impossible to make number sandwiches?

Sort these mathematical propositions into a series of 8 correct statements.

Follow in the steps of Newton and find the path that the earth follows around the sun.

At what angle should you release the shot to break Olympic records?

Design an arrangement of display boards in the school hall which fits the requirements of different people.

How does the position of the line affect the equation of the line? What can you say about the equations of parallel lines?

Can you find different ways of showing the same number? Try this matching game and see!

If I use 12 green tiles to represent my lawn, how many different ways could I arrange them? How many border tiles would I need each time?

Look at what happens when you take a number, square it and subtract your answer. What kind of number do you get? Can you prove it?