Can you find ways to make twenty-link chains from these smaller chains?
Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?
A 750 ml bottle of concentrated orange squash is enough to make fifteen 250 ml glasses of diluted orange drink. How much water is needed to make 10 litres of this drink?
This challenge asks you to imagine a snake coiling on itself.
Andy had a big bag of marbles but unfortunately the bottom of it split and all the marbles spilled out. Use the information to find out how many there were in the bag originally.
Use the fraction wall to compare the size of these fractions - you'll be amazed how it helps!
Can you work out the height of Baby Bear's chair and whose bed is whose if all the things the three bears have are in the same proportions?
On Saturday, Asha and Kishan's grandad took them to a Theme Park. Use the information to work out how long were they in the theme park.
There are a number of coins on a table. One quarter of the coins show heads. If I turn over 2 coins, then one third show heads. How many coins are there altogether?
Here is a picnic that Petros and Michael are going to share equally. Can you tell us what each of them will have?
Can you predict, without drawing, what the perimeter of the next shape in this pattern will be if we continue drawing them in the same way?
My friends and I love pizza. Can you help us share these pizzas equally?
Grandma found her pie balanced on the scale with two weights and a quarter of a pie. So how heavy was each pie?
Katie and Will have some balloons. Will's balloon burst at exactly the same size as Katie's at the beginning of a puff. How many puffs had Will done before his balloon burst?
After training hard, these two children have improved their results. Can you work out the length or height of their first jumps?
The discs for this game are kept in a flat square box with a square hole for each disc. Use the information to find out how many discs of each colour there are in the box.
Find out why these matrices are magic. Can you work out how they were made? Can you make your own Magic Matrix?
Investigate this balance which is marked in halves. If you had a weight on the left-hand 7, where could you hang two weights on the right to make it balance?
Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?
On my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?