Consecutive Numbers

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

Pair Sums

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

Negative Dice

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

Connect Three

Age 11 to 16Challenge Level

Suppose you rolled a $3$ and a $-1$.
You can make totals of $2$ or $4$ or $-4$:

$3 + (-1) = 2$

$3 - (-1) = 4$

$-1 - 3 = -4$