Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 Challenge level:
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?
Investigate the smallest number of moves it takes to turn these mats upside-down if you can only turn exactly three at a time.
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? Try with different numbers of squares around the ring. What do you notice?
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?
An odd version of tic tac toe
Here is a chance to play a version of the classic Countdown Game.
How have the numbers been placed in this Carroll diagram? Which labels would you put on each row and column?
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?
Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
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?
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?
A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!
A variant on the game Alquerque
Exchange the positions of the two sets of counters in the least possible number of moves
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
A generic circular pegboard resource.
How can the same pieces of the tangram make this bowl before and after it was chipped? Use the interactivity to try and work out what is going on!
A card pairing game involving knowledge of simple ratio.
Can you complete this jigsaw of the 100 square?
Can you complete this jigsaw of the multiplication square?
Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.
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?
Move just three of the circles so that the triangle faces in the opposite direction.
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
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. . . .
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!
Match the halves.
Use the interactivities to complete these Venn diagrams.
Use the sightings of the lion to guess the location of its lair.
Twenty four games for the run-up to Christmas.
If you have only four weights, where could you place them in order to balance this equaliser?
Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
Using angular.js to bind inputs to outputs
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?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
A train building game for 2 players.
Find out what a "fault-free" rectangle is and try to make some of your own.
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?
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....?
Yasmin and Zach have some bears to share. Which numbers of bears can they share so that there are none left over?
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.
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10 will be?
Can you work out how to balance this equaliser? You can put more than one weight on a hook.
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?