Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?
Dotty Six is a simple dice game that you can adapt in many ways.
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?
In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.
Use your logical reasoning to work out how many cows and how many sheep there are in each field.
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?
Sally and Ben were drawing shapes in chalk on the school playground. Can you work out what shapes each of them drew using the clues?
Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.
There are nasty versions of this dice game but we'll start with the nice ones...
Play this game and see if you can figure out the computer's chosen number.
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
Four bags contain a large number of 1s, 3s, 5s and 7s. Pick any ten numbers from the bags above so that their total is 37.
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
How many solutions can you find to this sum? Each of the different letters stands for a different number.