You may also like

problem icon

Consecutive Numbers

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

problem icon

I'm Eight

Find a great variety of ways of asking questions which make 8.

problem icon

Have You Got It?

Can you explain the strategy for winning this game with any target?

Almost One

Age 11 to 14 Challenge Level:

You could begin by choosing a fraction bigger than $\frac{1}{2}$ and adding on smaller fractions to get close to 1.

You could approximate each fraction to fractions that you are familiar with (with small denominators) and then use your approximations to estimate possible sums.

It is often easiest to add fractions when they have the same denominator...