Use these four dominoes to make a square that has the same number of dots on each side.
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?
Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?
Can you find 2 butterflies to go on each flower so that the numbers on each pair of butterflies adds to the same number as the one on the flower?
Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.
Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?
Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
Noah saw 12 legs walk by into the Ark. How many creatures did he see?
Can you work out how many flowers there will be on the Amazing Splitting Plant after it has been growing for six weeks?
Annie and Ben are playing a game with a calculator. What was Annie's secret number?
This big box adds something to any number that goes into it. If you know the numbers that come out, what addition might be going on in the box?
Can you each work out the number on your card? What do you notice? How could you sort the cards?
Woof is a big dog. Yap is a little dog. Emma has 16 dog biscuits to give to the two dogs. She gave Woof 4 more biscuits than Yap. How many biscuits did each dog get?
This challenge is about finding the difference between numbers which have the same tens digit.
There are to be 6 homes built on a new development site. They could be semi-detached, detached or terraced houses. How many different combinations of these can you find?
Use these head, body and leg pieces to make Robot Monsters which are different heights.
Find all the numbers that can be made by adding the dots on two dice.
Twizzle, a female giraffe, needs transporting to another zoo. Which route will give the fastest journey?
This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?
These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?
Try grouping the dominoes in the ways described. Are there any left over each time? Can you explain why?
Fill in the numbers to make the sum of each row, column and diagonal equal to 15.
This project challenges you to work out the number of cubes hidden under a cloth. What questions would you like to ask?
In how many ways could Mrs Beeswax put ten coins into her three puddings so that each pudding ended up with at least two coins?
Dotty Six is a simple dice game that you can adapt in many ways.
Can you hang weights in the right place to make the equaliser balance?
There were 22 legs creeping across the web. How many flies? How many spiders?
Use the information about Sally and her brother to find out how many children there are in the Brown family.
Who said that adding couldn't be fun?
Use the 'double-3 down' dominoes to make a square so that each side has eight dots.
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Choose a symbol to put into the number sentence.
There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. Can you use the information given to find out how many eggs are in each basket?
Sam got into an elevator. He went down five floors, up six floors, down seven floors, then got out on the second floor. On what floor did he get on?
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?
Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?
On Planet Plex, there are only 6 hours in the day. Can you answer these questions about how Arog the Alien spends his day?
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?
Find a great variety of ways of asking questions which make 8.
Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?
On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
Claire thinks she has the most sports cards in her album. "I have 12 pages with 2 cards on each page", says Claire. Ross counts his cards. "No! I have 3 cards on each of my pages and there are. . . .
At the beginning of May Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
A game for 2 or more players. Practise your addition and subtraction with the aid of a game board and some dried peas!
Use the number weights to find different ways of balancing the equaliser.
Find your way through the grid starting at 2 and following these operations. What number do you end on?