**"Inequalities"**

## Grades 11 to 12 – Almost Total Inequality?

*By toni On 27 November, 2016 · Leave a Comment*

When x is zero, A is greater than both B and C

For what other values of x is A the greatest?

For what values of x is B the greatest ?

For what values of x is C the greatest?

Is there a value of x when neither A nor B nor C […]

## Grades 6 to 12 Maximising Output

*By toni On 13 January, 2014 · Leave a Comment*

Using all of the digits 1, 2, 3, 4 and 5 exactly once and once only, make two or more numbers, for example: 5, 12 and 34

Multiply these numbers together: 5 x 12 x 34 = 2 040.

Try other arrangements of the digits 1 to 5.

What is the greatest product […]

## Grades 10 to 12 – Farey Sequences

*By toni On 17 January, 2012 · Leave a Comment*

If I gave you a list of decimals, you might find it easy to put them in order of size. But what about ordering fractions?

John Farey introduced sequences of sequences of fractions in order of size, now called Farey sequences.

The third Farey sequence is shown here.

The third Farey sequence lists in

order […]

### Login

### SUPPORT AIMSSEC