Two Primes Make One Square
Can you make square numbers by adding two prime numbers together?
Can you make square numbers by adding two prime numbers together?
A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?
How many people and rats could there be if you know how many legs there are altogether?
Use your logical thinking skills to deduce how much Dan's crisps and ice cream cost altogether.
This challenge combines addition, multiplication, perseverance and even proof.
This task combines spatial awareness with addition and multiplication.
Try out this number trick. What happens with different starting numbers? What do you notice?
Use these four dominoes to make a square that has the same number of dots on each side.
In the binary number system, we only use the digits 0 and 1. What can you discover about this system?