Being collaborative

There are 300 NRICH Mathematical resources connected to Being collaborative
Let us divide!
problem

Let us divide!

Age
7 to 11
Challenge level
filled star empty star empty star
Look at different ways of dividing things. What do they mean? How might you show them in a picture, with things, with numbers and symbols?
How do you see it?
problem

How do you see it?

Age
5 to 11
Challenge level
filled star empty star empty star
Here are some short problems for you to try. Talk to your friends about how you work them out.
Matching fractions
problem

Matching fractions

Age
7 to 11
Challenge level
filled star empty star empty star
Can you find different ways of showing the same fraction? Try this matching game and see.
That number square
problem

That number square

Age
5 to 11
Challenge level
filled star empty star empty star
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
Factorising with Multilink
problem

Factorising with Multilink

Age
14 to 16
Challenge level
filled star empty star empty star
Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
Take three numbers
problem

Take three numbers

Age
7 to 11
Challenge level
filled star empty star empty star
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
Magic Letters
problem

Magic Letters

Age
11 to 14
Challenge level
filled star empty star empty star
Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?
Triathlon and Fitness
problem

Triathlon and Fitness

Age
11 to 14
Challenge level
filled star filled star empty star
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Method in multiplying madness?
problem

Method in multiplying madness?

Age
7 to 14
Challenge level
filled star filled star empty star
Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?
Steel Cables
problem

Steel Cables

Age
14 to 16
Challenge level
filled star empty star empty star
Some students have been working out the number of strands needed for different sizes of cable. Can you make sense of their solutions?