Being collaborative

game
Favourite

Up, Down, Flying Around

Age

11 to 14

Challenge level

1 out of 3

Play this game to learn about adding and subtracting positive and negative numbers
problem
Favourite

Half a Minute

Age

11 to 14

Challenge level

1 out of 3

Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
$Guess \my Quad$

problem
Favourite

Guess My Quad

Age

11 to 14

Challenge level

1 out of 3

How many questions do you need to identify my quadrilateral?
game
Favourite

Transformation Game

Age

11 to 14

Challenge level

2 out of 3

Why not challenge a friend to play this transformation game?
problem
Favourite

Counting Factors

Age

11 to 14

Challenge level

2 out of 3

Is there an efficient way to work out how many factors a large number has?
problem
Favourite

Where Can We Visit?

Age

11 to 14

Challenge level

2 out of 3

Charlie and Abi put a counter on 42. They wondered if they could visit all the other numbers on their 1-100 board, moving the counter using just these two operations: ×2 and -5. What do you think?
problem
Favourite

Think of Two Numbers

Age

11 to 14

Challenge level

2 out of 3

Think of two whole numbers under 10, and follow the steps. I can work out both your numbers very quickly. How?
problem
Favourite

More Number Pyramids

Age

11 to 14

Challenge level

2 out of 3

When number pyramids have a sequence on the bottom layer, some interesting patterns emerge...
problem
Favourite

Shear Magic

Age

11 to 14

Challenge level

2 out of 3

Explore the area of families of parallelograms and triangles. Can you find rules to work out the areas?
problem
Favourite

Coordinate Patterns

Age

11 to 14

Challenge level

2 out of 3

Charlie and Alison have been drawing patterns on coordinate grids. Can you picture where the patterns lead?