Being collaborative

There are 308 NRICH Mathematical resources connected to Being collaborative
I Like ...
problem
Favourite

I like ...

Age
5 to 7
Challenge level
filled star empty star empty star
Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
Fill Me Up
problem
Favourite

Fill me up

Age
11 to 14
Challenge level
filled star filled star empty star

Can you sketch graphs to show how the height of water changes in different containers as they are filled?

Roll these Dice
problem
Favourite

Roll these dice

Age
7 to 11
Challenge level
filled star filled star empty star

Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?

Chain of Changes
problem
Favourite

Chain of changes

Age
5 to 7
Challenge level
filled star filled star empty star

Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

Chances are
problem
Favourite

Chances are

Age
14 to 16
Challenge level
filled star empty star empty star
Which of these games would you play to give yourself the best possible chance of winning a prize?
A Cartesian Puzzle
problem
Favourite

A cartesian puzzle

Age
7 to 11
Challenge level
filled star empty star empty star
Find the missing coordinates which will form these eight quadrilaterals. These coordinates themselves will then form a shape with rotational and line symmetry.
Shady Symmetry
problem
Favourite

Shady symmetry

Age
11 to 14
Challenge level
filled star empty star empty star
How many different symmetrical shapes can you make by shading triangles or squares?
Robot Monsters
problem
Favourite

Robot monsters

Age
5 to 7
Challenge level
filled star empty star empty star
Use these head, body and leg pieces to make Robot Monsters which are different heights.
How far does it move?
problem
Favourite

How far does it move?

Age
11 to 14
Challenge level
filled star empty star empty star

Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects the distance it travels at each stage.

Nicely Similar
problem
Favourite

Nicely similar

Age
14 to 16
Challenge level
filled star filled star empty star
If the hypotenuse (base) length is 100cm and if an extra line splits the base into 36cm and 64cm parts, what were the side lengths for the original right-angled triangle?