Search

There are two forms of counting on Vuvv - Zias count in base 3 and Zepts count in base 7. Can you work out in which direction the Zias and Zepts were looking, based on the information you're given?

Is there a quick and easy way to calculate the sum of the first 100 odd numbers?

In a square in which the houses are evenly spaced, numbers 3 and 10 are opposite each other. What is the smallest and what is the largest possible number of houses in the square?

My coat has three buttons. How many ways can you find to do up all the buttons?

George and Jim want to buy a chocolate bar. George needs 2p more and Jim need 50p more to buy it. How much is the chocolate bar?

If Tom wants to learn to cook his favourite supper, he needs to make a schedule so that everything is ready at the same time.

Charlie thinks that a six comes up less often than the other numbers on the dice. Have a look at the results of the test his class did to see if he was right.

Can you make the birds from the egg tangram?

These practical challenges are all about making a 'tray' and covering it with paper.

Watch this film carefully. Can you find a general rule for explaining when the dot will be this same distance from the horizontal axis?