If you have only four weights, where could you place them in order
to balance this equaliser?
Here is a chance to play a version of the classic Countdown Game.
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?
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?
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!
Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
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?
An environment which simulates working with Cuisenaire rods.
Play this well-known game against the computer where each player is
equally likely to choose scissors, paper or rock. Why not try the
Place the numbers 1 to 6 in the circles so that each number is the
difference between the two numbers just below it.
Can you hang weights in the right place to make the equaliser
Place the numbers 1 to 10 in the circles so that each number is the
difference between the two numbers just below it.
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?
How have the numbers been placed in this Carroll diagram? Which
labels would you put on each row and column?
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?
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Can you make a cycle of pairs that add to make a square number
using all the numbers in the box below, once and once only?
Exchange the positions of the two sets of counters in the least possible number of moves
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.
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
An interactive activity for one to experiment with a tricky tessellation
A variant on the game Alquerque
Can you complete this jigsaw of the multiplication square?
A card pairing game involving knowledge of simple ratio.
An odd version of tic tac toe
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
Complete the squares - but be warned some are trickier than they
A train building game for 2 players.
Ben and his mum are planting garlic. Use the interactivity to help
you find out how many cloves of garlic they might have had.
Use the sightings of the lion to guess the location of its lair.
Choose a symbol to put into the number sentence.
Investigate the smallest number of moves it takes to turn these
mats upside-down if you can only turn exactly three at a time.
Twenty four games for the run-up to Christmas.
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 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.
A generic circular pegboard resource.
Imagine a wheel with different markings painted on it at regular
intervals. Can you predict the colour of the 18th mark? The 100th
Can you put the 25 coloured tiles into the 5 x 5 square so that no
column, no row and no diagonal line have tiles of the same colour
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?
Using angular.js to bind inputs to outputs
Use the information about Sally and her brother to find out how many children there are in the Brown family.
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Can you put the numbers 1 to 8 into the circles so that the four
calculations are correct?
Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.
If you hang two weights on one side of this balance, in how many
different ways can you hang three weights on the other side for it
to be balanced?
Make one big triangle so the numbers that touch on the small triangles add to 10. You could use the interactivity to help you.
Place six toy ladybirds into the box so that there are two
ladybirds in every column and every row.
Use the number weights to find different ways of balancing the equaliser.
Move just three of the circles so that the triangle faces in the