Weekly maths challenge

Do you like maths? Are you a problem solver? Each week during term time King's Maths School publishes a mathematical challenge designed to intrigue students aged 13-16 who are interested in mathematics.

Challenge 321: Spelling Bee

What’s the chance of spelling out these words?

Solution has been revealed

Challenge 320: Fraction Distraction

What is the ratio of these two positive numbers?

Solution has been revealed

Challenge 319: A maximum distance

How far can the circumference of this circle be from the origin?

Solution has been revealed

Challenge 318: Completely submerged?

Is 5 litres of water enough for Dr Reasoner’s garden ornament?

Solution has been revealed

Challenge 317: Is u an integer?

What values of x will mean that u is an integer?

Solution has been revealed

Challenge 316: Workable Numbers

Find out how many of these special numbers there are.

Solution has been revealed

Challenge 315: Radius Riddle

What are the possible integer radii for these circles?

Solution has been revealed

Challenge 314: Estimating Pi

Challenge 314 can only be about π! This problem invites you to calculate some estimates for pi without using a calculator.

Solution has been revealed

Challenge 313: Maximum Difference

How much can x and y differ by?

Solution has been revealed