Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
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?
The idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Are there some numbers that are good to aim for?
A game for 2 people that everybody knows. You can play with a
friend or online. If you play correctly you never lose!
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
Investigate the smallest number of moves it takes to turn these
mats upside-down if you can only turn exactly three at a time.
Mr McGregor has a magic potting shed. Overnight, the number of
plants in it doubles. He'd like to put the same number of plants in
each of three gardens, planting one garden each day. Can he do it?
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Here is a chance to play a version of the classic Countdown Game.
First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
Can you spot the similarities between this game and other games you
know? The aim is to choose 3 numbers that total 15.
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
An interactive game to be played on your own or with friends.
Imagine you are having a party. Each person takes it in turns to
stand behind the chair where they will get the most chocolate.
A card pairing game involving knowledge of simple ratio.
If you have only four weights, where could you place them in order
to balance this equaliser?
Work out the fractions to match the cards with the same amount of
Find out what a "fault-free" rectangle is and try to make some of
Can you complete this jigsaw of the multiplication square?
Is it possible to place 2 counters on the 3 by 3 grid so that there
is an even number of counters in every row and every column? How
about if you have 3 counters or 4 counters or....?
Try entering different sets of numbers in the number pyramids. How does the total at the top change?
Work out how to light up the single light. What's the rule?
An environment which simulates working with Cuisenaire rods.
Euler discussed whether or not it was possible to stroll around Koenigsberg crossing each of its seven bridges exactly once. Experiment with different numbers of islands and bridges.
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
A generic circular pegboard resource.
Exchange the positions of the two sets of counters in the least possible number of moves
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
A game for 2 people that can be played on line or with pens and paper. Combine your knowledege of coordinates with your skills of strategic thinking.
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10
Ahmed has some wooden planks to use for three sides of a rabbit run
against the shed. What quadrilaterals would he be able to make with
the planks of different lengths?
An interactive activity for one to experiment with a tricky tessellation
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
This was a problem for our birthday website. Can you use four of these pieces to form a square? How about making a square with all five pieces?
You have 4 red and 5 blue counters. How many ways can they be
placed on a 3 by 3 grid so that all the rows columns and diagonals
have an even number of red counters?
Starting with the number 180, take away 9 again and again, joining up the dots as you go. Watch out - don't join all the dots!
How have the numbers been placed in this Carroll diagram? Which
labels would you put on each row and column?
What are the coordinates of the coloured dots that mark out the
tangram? Try changing the position of the origin. What happens to
the coordinates now?
Arrange the four number cards on the grid, according to the rules,
to make a diagonal, vertical or horizontal line.
An interactive game for 1 person. You are given a rectangle with 50 squares on it. Roll the dice to get a percentage between 2 and 100. How many squares is this? Keep going until you get 100. . . .
A train building game for 2 players.
Train game for an adult and child. Who will be the first to make the train?
Using angular.js to bind inputs to outputs
What do the numbers shaded in blue on this hundred square have in common? What do you notice about the pink numbers? How about the shaded numbers in the other squares?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
NRICH December 2006 advent calendar - a new tangram for each day in
the run-up to Christmas.
Watch this film carefully. Can you find a general rule for
explaining when the dot will be this same distance from the
Imagine picking up a bow and some arrows and attempting to hit the
target a few times. Can you work out the settings for the sight
that give you the best chance of gaining a high score?
Carry out some time trials and gather some data to help you decide
on the best training regime for your rowing crew.
A game for 1 person. Can you work out how the dice must be rolled from the start position to the finish? Play on line.