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A function pyramid is a structure where each entry in the pyramid is determined by the two entries below it. Can you figure out how the pyramid is generated?

Discs are flipped in the air. You win if all the faces show the same colour. What is the probability of winning?

One quarter of these coins are heads but when I turn over two coins, one third are heads. How many coins are there?

A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?

This activity creates an opportunity to explore all kinds of number-related patterns.

How many different differences can you make?

What is the greatest number of squares you can make by overlapping three squares?

What do you notice about these squares of numbers? What is the same? What is different?

Amy has a box of domino pieces. Which of her domino pieces are missing?