

M, M and M
If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?

Multiples Sudoku
Each clue in this Sudoku is the product of the two numbers in adjacent cells.

Quadrilaterals game

Countdown fractions

Factors and multiples game
A game in which players take it in turns to choose a number. Can you block your opponent?

Sticky numbers


Up, down, flying around
Play this game to learn about adding and subtracting positive and negative numbers

Magic letters



Summing consecutive numbers
15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?


More less is more

Shady symmetry

Square it
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

Factors and multiples puzzle

Connect three
In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?


Doughnut percents

Number lines in disguise

Remainders
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?

Two and two
How many solutions can you find to this sum? Each of the different letters stands for a different number.