You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?
A generic circular pegboard resource.
Take it in turns to place a domino on the grid. One to be placed horizontally and the other vertically. Can you make it impossible for your opponent to play?
There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
Move just three of the circles so that the triangle faces in the
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?
A game for 2 people that everybody knows. You can play with a
friend or online. If you play correctly you never lose!
Arrange the four number cards on the grid, according to the rules,
to make a diagonal, vertical or horizontal line.
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
An odd version of tic tac toe
Investigate the smallest number of moves it takes to turn these
mats upside-down if you can only turn exactly three at a time.
Play this well-known game against the computer where each player is
equally likely to choose scissors, paper or rock. Why not try the
Using angular.js to bind inputs to outputs
Ben and his mum are planting garlic. Use the interactivity to help
you find out how many cloves of garlic they might have had.
Can you complete this jigsaw of the multiplication square?
An interactive activity for one to experiment with a tricky tessellation
A card pairing game involving knowledge of simple ratio.
Use the interactivity to find out how many quarter turns the man
must rotate through to look like each of the pictures.
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.
Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
How many trains can you make which are the same length as Matt's,
using rods that are identical?
If you have only four weights, where could you place them in order
to balance this equaliser?
Twenty four games for the run-up to Christmas.
Here is a chance to play a version of the classic Countdown Game.
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
Complete the squares - but be warned some are trickier than they
Can you work out how to balance this equaliser? You can put more
than one weight on a hook.
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
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.
A game to be played against the computer, or in groups. Pick a 7-digit number. A random digit is generated. What must you subract to remove the digit from your number? the first to zero wins.
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Start by putting one million (1 000 000) into the display of your
calculator. Can you reduce this to 7 using just the 7 key and add,
subtract, multiply, divide and equals as many times as you like?
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?
Match the halves.
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?
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!
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?
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?
NRICH December 2006 advent calendar - a new tangram for each day in
the run-up to Christmas.
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
How many right angles can you make using two sticks?
Yasmin and Zach have some bears to share. Which numbers of bears
can they share so that there are none left over?
How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
Use the interactivity to sort these numbers into sets. Can you give
each set a name?
Can you put the numbers 1 to 8 into the circles so that the four
calculations are correct?
Work out the fractions to match the cards with the same amount of
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....?
Can you put the numbers from 1 to 15 on the circles so that no
consecutive numbers lie anywhere along a continuous straight line?