How Old Am I?
In 15 years' time my age will be the square of my age 15 years ago. Can you work out my age, and when I had other special birthdays?
In 15 years' time my age will be the square of my age 15 years ago. Can you work out my age, and when I had other special birthdays?
Which of these games would you play to give yourself the best possible chance of winning a prize?
This shape comprises four semi-circles. What is the relationship between the area of the shaded region and the area of the circle on AB as diameter?
Here are two games you can play. Which offers the better chance of winning?
In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.
Can you find the hidden factors which multiply together to produce each quadratic expression?
Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
Can you see how this picture illustrates the formula for the sum of the first six cube numbers?