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?
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 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?
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
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.
Investigate the different distances of these car journeys and find
out how long they take.
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
Use these head, body and leg pieces to make Robot Monsters which
are different heights.
Can you arrange fifteen dominoes so that all the touching domino
pieces add to 6 and the ends join up? Can you make all the joins
add to 7?
Where can you draw a line on a clock face so that the numbers on
both sides have the same total?
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
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?
This is an adding game for two players.
A game for 2 people. Use your skills of addition, subtraction, multiplication and division to blast the asteroids.
Leah and Tom each have a number line. Can you work out where their counters will land? What are the secret jumps they make with their counters?
Using the cards 2, 4, 6, 8, +, - and =, what number statements can
Find all the numbers that can be made by adding the dots on two dice.
A game for 2 or more players. Practise your addition and subtraction with the aid of a game board and some dried peas!
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?
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?
Fill in the missing numbers so that adding each pair of corner
numbers gives you the number between them (in the box).
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?
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
A game for 2 players. Practises subtraction or other maths
How could you put eight beanbags in the hoops so that there are
four in the blue hoop, five in the red and six in the yellow? Can
you find all the ways of doing this?
Twizzle, a female giraffe, needs transporting to another zoo. Which
route will give the fastest journey?
Place the digits 1 to 9 into the circles so that each side of the
triangle adds to the same total.
Can you hang weights in the right place to make the equaliser
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.
Using 3 rods of integer lengths, none longer than 10 units and not
using any rod more than once, you can measure all the lengths in
whole units from 1 to 10 units. How many ways can you do this?
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?
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.
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.
This challenge extends the Plants investigation so now four or more children are involved.
This article for teachers suggests ideas for activities built around 10 and 2010.
On Planet Plex, there are only 6 hours in the day. Can you answer
these questions about how Arog the Alien spends his day?
In this game for two players, the aim is to make a row of four coins which total one dollar.
This challenge is about finding the difference between numbers which have the same tens digit.
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?
Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your oponent.
Got It game for an adult and child. How can you play so that you know you will always win?
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.
Choose a symbol to put into the number sentence.
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Have a go at this game which involves throwing two dice and adding
their totals. Where should you place your counters to be more
likely to win?
How have the numbers been placed in this Carroll diagram? Which
labels would you put on each row and column?
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10
Fill in the numbers to make the sum of each row, column and
diagonal equal to 34. For an extra challenge try the huge American
Flag magic square.