Can you find the hidden factors which multiply together to produce each quadratic expression?
Take a look at the video of this trick. Can you perform it yourself? Why is this maths and not magic?
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 this article for teachers, Liz Woodham describes conversations with Luke, aged 7, as they worked on some mathematics together.
Investigate the area of 'slices' cut off this cube of cheese. What would happen if you had different-sized block of cheese to start with?
Make one big triangle so the numbers that touch on the small triangles add to 10.
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
Can you find examples of magic crosses? Can you find all the possibilities?
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
