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Low Threshold High Ceiling Tasks
Low threshold high ceiling activities are ideal for supporting and challenging whole classes.
Fractions Unpacked
In this feature we offer rich tasks to build learners' deep conceptual understanding of fractions.
Play to Win
In this feature, we share some of the problems from the Play to Win pathway on Wild Maths.
Hidden Gems
This feature brings together hidden gems from the NRICH site to celebrate NRICH's 20th birthday.
The Problem-solving Classroom
This feature outlines aspects to consider to create a space in which problem solving can flourish.
Celebrating Solutions
This feature focuses on how children's solutions to NRICH tasks can themselves be used as a teaching resource.Low Threshold High Ceiling Tasks
Low threshold high ceiling activities are ideal for supporting and challenging whole classes.Fractions Unpacked
In this feature we offer rich tasks to build learners' deep conceptual understanding of fractions.Play to Win
In this feature, we share some of the problems from the Play to Win pathway on Wild Maths.Hidden Gems
This feature brings together hidden gems from the NRICH site to celebrate NRICH's 20th birthday.The Problem-solving Classroom
This feature outlines aspects to consider to create a space in which problem solving can flourish.Celebrating Solutions
This feature focuses on how children's solutions to NRICH tasks can themselves be used as a teaching resource.
Current
NRICH at Every Stage
So, if you only have a short amount of time, have a look at the problems we have selected. For longer periods of time, perhaps over a day or several days, the investigations are a perfect choice. However, you may choose to use a game, particularly if you are not sure if your audience will be super excited or a bit nervous!
NRICH at Every Stage Stage: 1 and 2
Whether you are reflecting on the mathematical developments children have made over the year, or thinking about activities for a transition day this article offers plenty of ideas and tasks to support you.
Count the Crayons liveStage: 1 Challenge Level: 
How could you estimate the number of pencils/pens in these pictures?
Heads and Feet liveStage: 1 Challenge Level:
On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?
Stone Age Counting liveStage: 1 Challenge Level:
What could these drawings, found in a cave in Spain, represent?
Prompt Cards liveStage: 2 Challenge Level:
These two group activities use mathematical reasoning - one is numerical, one geometric.
Maze 100 liveStage: 2 Challenge Level:
Can you go through this maze so that the numbers you pass add to exactly 100?
Money Bags liveStage: 2 Challenge Level:
Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?
How Odd liveStage: 1 Challenge Level:
This problem challenges you to find out how many odd numbers there are between pairs of numbers. Can you find a pair of numbers that has four odds between them?
What Could It Be? liveStage: 1 Challenge Level:
In this calculation, the box represents a missing digit. What could the digit be? What would the solution be in each case?
Highest and Lowest liveStage: 2 Challenge Level:
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
Take Three Numbers liveStage: 2 Challenge Level:
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
Pass the Peas, Please liveStage: 1 Challenge Level:
A game for 2 or more players. Practise your addition and subtraction with the aid of a game board and some dried peas!
Four Go liveStage: 2 Challenge Level:
This challenge is a game for two players. Choose two numbers from the grid and multiply or divide, then mark your answer on the number line. Can you get four in a row before your partner?
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NRICH is part of the family of activities in the Millennium Mathematics Project.