How can you change the surface area of a cuboid but keep its volume the same? How can you change the volume but keep the surface area the same?
Using the cards 2, 4, 6, 8, +, - and =, what number statements can you make?
Throughout these challenges, the touching faces of any adjacent dice must have the same number. Can you find a way of making the total on the top come to each number from 11 to 18 inclusive?
As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?
Details of the webinar for 9-13 year olds and their teachers to celebrate National Numeracy Day 2023.
Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?
Can you find a way of counting the spheres in these arrangements?
This collection of articles, written by teachers, focus on their experiences of embedding NRICH materials into their everyday practice.
Move just three of the circles so that the triangle faces in the opposite direction.
