Positive and negative numbers

In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?

If p is a positive integer and q is a negative integer, which of these expressions is the greatest?

Three different integers have a sum of 1 and a product of 36 - what are they?

Weekly Problem 47 - 2013
What is the value of the given expression?

If the odd numbers on two dice are made negative, which of the totals cannot be achieved?

Five numbers added together in pairs produce: 0, 2, 4, 4, 6, 8, 9, 11, 13, 15 What are the five numbers?

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