This activity challenges you to decide on the 'best' number to use
in each statement. You may need to do some estimating, some
calculating and some research.
Here's a very elementary code that requires young children to read a table, and look for similarities and differences.
Looking at the 2008 Olympic Medal table, can you see how the data is organised? Could the results be presented differently to give another nation the top place?
This problem is designed to help children to learn, and to use, the two and three times tables.
You are organising a school trip and you need to write a letter to
parents to let them know about the day. Use the cards to gather all
the information you need.
Skippy and Anna are locked in a room in a large castle. The key to that room, and all the other rooms, is a number. The numbers are locked away in a problem. Can you help them to get out?
Written for teachers, this article discusses mathematical
representations and takes, in the second part of the article,
examples of reception children's own representations.
Some children have been doing different tasks. Can you see who was the winner?
How many legs do each of these creatures have? How many pairs is
Can you use the information to find out which cards I have used?
A particular technique for solving Sudoku puzzles, known as "naked pair", is explained in this easy-to-read article.
Design your own scoring system and play Trumps with these Olympic Sport cards.
Can you spot circles, spirals and other types of curves in these photos?
Can you find which shapes you need to put into the grid to make the
totals at the end of each row and the bottom of each column?
Can you see who the gold medal winner is? What about the silver medal winner and the bronze medal winner?
Follow the clues to find the mystery number.
Can you each work out the number on your card? What do you notice?
How could you sort the cards?
Nearly all of us have made table patterns on hundred squares, that
is 10 by 10 grids. This problem looks at the patterns on
differently sized square grids.
I am thinking of three sets of numbers less than 101. Can you find
all the numbers in each set from these clues?
I am thinking of three sets of numbers less than 101. They are the
red set, the green set and the blue set. Can you find all the
numbers in the sets from these clues?
A random ramble for teachers through some resources that might add a little life to a statistics class.
In this article for teachers, Bernard uses some problems to suggest
that once a numerical pattern has been spotted from a practical
starting point, going back to the practical can help explain. . . .
Did you know that ancient traditional mazes often tell a story? Remembering the story helps you to draw the maze.
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?
My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?
Can you order pictures of the development of a frog from frogspawn
and of a bean seed growing into a plant?
One day five small animals in my garden were going to have a sports day. They decided to have a swimming race, a running race, a high jump and a long jump.
Problem solving is at the heart of the NRICH site. All the problems
give learners opportunities to learn, develop or use mathematical
concepts and skills. Read here for more information.
Can you draw the shape that is being described by these cards?
A group of children are discussing the height of a tall tree. How would you go about finding out its height?
Can you place these quantities in order from smallest to largest?
Can you lay out the pictures of the drinks in the way described by
the clue cards?
If you'd like to know more about Primary Maths Masterclasses, this
is the package to read! Find out about current groups in your
region or how to set up your own.
Can you rank these quantities in order? You may need to find out
extra information or perform some experiments to justify your
Can you each work out what shape you have part of on your card?
What will the rest of it look like?