During the third hour after midnight the hands on a clock point in
the same direction (so one hand is over the top of the other). At
what time, to the nearest second, does this happen?
If you have only four weights, where could you place them in order
to balance this equaliser?
Use the number weights to find different ways of balancing the equaliser.
This article for teachers suggests ideas for activities built around 10 and 2010.
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
In this game for two players, the aim is to make a row of four coins which total one dollar.
A game for 2 people. Use your skills of addition, subtraction, multiplication and division to blast the asteroids.
In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.
A game for 2 people using a pack of cards Turn over 2 cards and try
to make an odd number or a multiple of 3.
Can you put the numbers 1 to 8 into the circles so that the four
calculations are correct?
On Planet Plex, there are only 6 hours in the day. Can you answer
these questions about how Arog the Alien spends his day?
A game for 2 or more players. Practise your addition and subtraction with the aid of a game board and some dried peas!
Which times on a digital clock have a line of symmetry? Which look
the same upside-down? You might like to try this investigation and
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?
In your bank, you have three types of coins. The number of spots shows how much they are worth. Can you choose coins to exchange with the groups given to make the same total?
In this game, you can add, subtract, multiply or divide the numbers
on the dice. Which will you do so that you get to the end of the
number line first?
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
This problem is based on a code using two different prime numbers
less than 10. You'll need to multiply them together and shift the
alphabet forwards by the result. Can you decipher the code?
Here is a chance to play a version of the classic Countdown Game.
This challenge extends the Plants investigation so now four or more children are involved.
A lady has a steel rod and a wooden pole and she knows the length
of each. How can she measure out an 8 unit piece of pole?
There are nasty versions of this dice game but we'll start with the nice ones...
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
This challenging activity involves finding different ways to distribute fifteen items among four sets, when the sets must include three, four, five and six items.
Place the numbers 1 to 10 in the circles so that each number is the
difference between the two numbers just below it.
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
A game for 2 players. Practises subtraction or other maths
This is an adding game for two players.
We start with one yellow cube and build around it to make a 3x3x3 cube with red cubes. Then we build around that red cube with blue cubes and so on. How many cubes of each colour have we used?
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?
Use the information about Sally and her brother to find out how many children there are in the Brown family.
A game for 2 or more players with a pack of cards. Practise your
skills of addition, subtraction, multiplication and division to hit
the target score.
Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your opponent.
How have the numbers been placed in this Carroll diagram? Which labels would you put on each row and column?
Got It game for an adult and child. How can you play so that you know you will always win?
Twizzle, a female giraffe, needs transporting to another zoo. Which
route will give the fastest journey?
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.
Strike it Out game for an adult and child. Can you stop your partner from being able to go?
Shut the Box game for an adult and child. Can you turn over the cards which match the numbers on the dice?
Choose a symbol to put into the number sentence.
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?
Who said that adding couldn't be fun?
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?
Can you make a train the same length as Laura's but using three differently coloured rods? Is there only one way of doing it?
Place the numbers 1 to 6 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?
Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
Make your own double-sided magic square. But can you complete both
sides once you've made the pieces?